From Asteroid Alerts to Lunar Innovations: Exploring Space’s Latest Wonders: S04E49

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Language: en

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welcome to astronomy daily I'm thrilled


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to share with you another fascinating


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day in space and astronomy news we have


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a busy show for you today with stories


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that span our solar system and beyond


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we'll start with some reassuring news


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about that asteroid that has briefly


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caused concern we'll settle that one for


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once in for all then Journey to the edge


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of space with blue Origins latest crude


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Mission if you're a stargazer you won't


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want to miss our coverage of an


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incredible seven Planet parade visible


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in the night sky this month we'll also


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explore a compelling mystery surr in


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Saturn's largest moon Titan and get the


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details on NASA's Innovative new


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approach to reaching lunar orbit finally


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we'll challenge everything you thought


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you knew about why Mars appears red the


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answer might surprise you so settle in


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as we embark on this Cosmic Journey


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Through the latest developments in space


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exploration and astronomical discoveries


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let's get


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started remember that asteroid 20124 yr4


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that made headlines back in December and


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again in January and February well I've


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got some good news to share about this


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so-called City killer initially NASA


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scientists calculated a concerning 1.3%


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chance of this asteroid hitting Earth in


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2032 that probability actually increased


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to about 3% earlier this month as more


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observations came in causing quite a


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stir in the astronomical Community but


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thanks to new data from the European


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Southern observatories very large


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telescope and other facilities worldwide


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we can all breathe a little easier the


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latest an analysis from the European


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space agency has dramatically reduced


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the risk placing the probability of an


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Earth impact in 2032 at just


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0.001% to put this in perspective we're


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talking about a space Rock between 40


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and 90 M across roughly the size of a


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building that's millions of kilometers


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away as ESO astronomer Olivier heut


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explains tracking these objects is like


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following the beam of a flashlight it


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gets broader and fuzzi the further out


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you look but with each new observation


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that beam becomes sharper and narrower


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and in this case that narrowing beam is


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clearly moving away from Earth while


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this particular threat has been largely


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dismissed the situation serves as an


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important reminder of why we need to


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stay vigilant in monitoring near Earth


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objects it's a perfect example of how


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our planetary defense systems work from


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initial detection through careful


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tracking and Analysis to ultimately


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determining the true level of risk the


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these Cosmic visitors might pose to our


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planet so please relax and sleep well


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tonight blue origin has just marked a


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significant milestone in their


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commercial space flight program


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completing their 10th crude Mission with


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the new Shephard vehicle the launch took


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place from their West Texas facility on


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February 25th carrying six passengers to


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the edge of space in what was designated


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as mission


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ns30 after a brief 19-minute hold for


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technical checks the new Shephard rocket


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lift it off carrying its crew capsule to


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an impressive altitude of 107 km above


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Earth's surface the entire flight lasted


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just over 10 minutes with both the


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booster and capsule making perfect


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Landings back on Earth among the


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passengers were some fascinating


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individuals Lane Bess who was actually


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making his second trip to space after


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flying on a previous new Shepard Mission


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Jesus Kalesa a Spanish television host


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known for his Adventure programming


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elain chahi


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who owns a media company working on AI


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technology Dr Richard Scott a physician


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and medical company executive and tusher


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Shaw a hedge fund partner interestingly


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the sixth passenger added a bit of


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mystery to the mission in an unusual


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departure from standard practice blue


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origin honored this individual's request


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for privacy identifying them only by the


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name R Wilson on their flight suit and


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Mission patch this successful flight


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isn't just about tourism it represents


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something bigger for blue origin as


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their CEO Dave limp recently explained


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these new Shephard flights serve two


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crucial purposes they act as a test bed


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for developing new space Technologies


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and they're proving there's genuine


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demand for the profound experience of


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suborbital space flight even with the


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substantial ticket prices for the space


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tourism industry this 10th crude flight


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demonstrates that we're moving steadily


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toward a future where space travel while


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still exclusive is Bec becoming


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increasingly routine and


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reliable each successful Mission brings


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us one step closer to making space more


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accessible to more


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people time to get your telescope out


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and ready though you will be able to


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take part in this event with just your


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Naked Eyes if you wish in an exciting


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astronomical event the night sky is


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currently hosting what astronomers call


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a planetary parade with seven planets


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gracing our view at once while these


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celestial bodies aren't lined up like


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players on a marching field they're all


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clustered on the same side of the sun


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creating a rare viewing opportunity for


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Sky Watchers Venus Mars and Jupiter are


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leading the show being the easiest to


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spot with the naked eye Saturn and


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Mercury are playing a bit harder to get


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hovering close to the Horizon where


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they're trickier to find for those with


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some basic equipment Uranus and Neptune


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can be spotted through binoculars or a


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small


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telescope if you're hoping to catch the


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celestial Gathering here's what you need


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to do find a spot with a clear view of


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the sky away from City Lights if


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possible and wait until after Sunset the


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planets will stand out from the


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surrounding Stars by shining more


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steadily and brightly Mars will be


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particularly distinctive with its


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reddish orange glow if you're having


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trouble identifying the planets there


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are several stargazing apps that can


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help point you in the right direction


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while these planetary alignments aren't


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extremely rare they happen at least


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yearly with varying numbers of planets


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having seven planets visible at once is


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still a special occurrence four or five


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planets visible to the naked eye only


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happens every few years making this


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current alignment particularly


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noteworthy just keep in mind that this


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Cosmic performance won't last forever


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the planets will gradually drift apart


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as we move into the northern hemisphere


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spring while we're mentioning Saturn


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scientists have made a fascinating


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discovery about Saturn's moon Titan


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that's shaking up our understanding of


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this Mysterious World new research


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suggests that something dramatic


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happened to Titan relatively recently in


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astronomical terms within the last 350


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million years that significantly


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Disturbed its orbit around Saturn The


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Story begins with Scientists studying


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how Titan loses energy as it orbits


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Saturn a process known as tidal


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dissipation think of it like Earth's


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ocean tides but on a much grander scale


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Saturn's immense gravitational pull


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actually causes subtle changes in Titan


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shape and motion as it orbits similar to


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how our moon creates tides on Earth


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what's particularly intriguing is that


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Titan's current orbit isn't what


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scientists would expect if it had been


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peacefully circling Saturn for billions


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of years based on their calculations


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Titan should settle into a perfectly


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circular orbit within about 350 million


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years the fact that its orbit is still


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elliptical suggests something must have


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knocked it off course relatively


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recently the culprit behind this orbital


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disruption remains a mystery it could


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have been an impact from another


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Celestial body the loss of an ancient


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satellite or some other cause Cosmic


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event we haven't yet considered whatever


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it was it was significant enough to


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leave its mark on Titan's orbital path


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and the Moon is still in the process of


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settling back into a stable orbit this


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discovery is particularly exciting


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because it gives us a new window into


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Titan's recent history it's like finding


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unexpected footprints in the snow we


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know something happened and now


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scientists are working to piece together


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exactly what that might have been the


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research not only helps us understand


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and tighten better but also provides


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insights into how similar moons


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throughout our solar system might be


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affected by the gravitational forces of


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their parent


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planets NASA's latest lunar Mission the


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lunar Trailblazer is preparing for an


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Innovative Journey To The Moon that


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showcases the clever use of Nature's Own


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forces this small But Mighty satellite


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about the size of a dishwasher will


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hitch a ride on a SpaceX Falcon 9 rocket


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as part of the im2 mission but its path


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to lunar orbit is what makes it truly


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fascinating instead of taking a direct


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route to the moon the Trailblazer will


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embark on an elegant Cosmic dance using


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the combined gravitational pull of the


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sun earth and moon to gradually maneuver


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into position this fuele efficient


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approach known as a low energy transfer


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will take between 4 to 7 months but will


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save precious propellant making it


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possible for such a small spacecraft to


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accomplish its ambitious goals once in


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its final orbit just 60 Mi above the


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lunar surface the Trailblazer will begin


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its primary Mission creating the most


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detailed maps ever of water on the moon


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the spacecraft carries two sophisticated


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instruments an infrared spectrometer and


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a thermal mapper that will work together


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to reveal where water exists what form


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it takes and how it moves across the


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lunar surface particularly exciting is


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the Trailblazer ability to peer into


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permanently shadowed craters at the Moon


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South Pole


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these mysterious regions never touched


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by direct sunlight could Harbor


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significant deposits of ice potential


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resources for future lunar explorers the


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spacecraft will make 12 orbits each day


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observing these areas under different


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conditions to build a comprehensive


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picture of lunar water


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distribution this Mission represents a


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new approach to space exploration


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proving that sometimes smaller can be


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better despite its compact size and


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relatively modest budget the lunar


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Trailblazer aims to answer fundamental


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questions about our nearest Celestial


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neighbor while demonstrating how smart


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engineering and natural forces can work


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together to achieve ambitious scientific


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goals to wrap things up today here's


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something that might shake up everything


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you thought you knew about Mars's famous


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red color scientists have just


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challenged a long-held belief about why


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the red planet looks the way it does


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while we've all been taught that Mars


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gets its distinctive Hue from the same


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process that creates rust here on Earth


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new research suggest suggests we might


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have been wrong all along a team led by


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Dr adamus valentinas from Brown


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University has discovered that the real


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source of Mars's coloration is likely a


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mineral called fairy hydrite an iron


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oxide that contains water this isn't


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just a minor correction to our textbooks


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it's a finding that tells us something


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fascinating about Mars's history using


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data from multiple Mars missions


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including NASA's reconnaissance Orbiter


00:10:54.880 --> 00:10:57.110
and esa's Mars Express along with


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groundbased observations from various


00:10:58.880 --> 00:10:59.790
Rovers


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the researchers found that ferah hydrate


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isn't just present in small amounts it's


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widespread across the entire Martian


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landscape what makes this particularly


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exciting is that ferah hydrate can only


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form under specific conditions namely


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when there's plenty of water around this


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discovery adds to the growing body of


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evidence that Mars once had a much


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wetter environment meaning our Beach's


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story from yesterday's episode gets even


00:11:23.639 --> 00:11:26.430
more credible the red color we see today


00:11:26.440 --> 00:11:28.389
isn't just a random Quirk of planetary


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chemistry it's actually a signature Left


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Behind from a time when Mars might have


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been a much more hospitable world with


00:11:34.920 --> 00:11:37.470
conditions potentially suitable for Life


00:11:37.480 --> 00:11:38.990
the research team is now eagerly


00:11:39.000 --> 00:11:40.829
awaiting samples being collected by the


00:11:40.839 --> 00:11:43.710
perseverance Rover in the jezero crater


00:11:43.720 --> 00:11:45.710
these samples which will eventually be


00:11:45.720 --> 00:11:47.629
returned to Earth could provide


00:11:47.639 --> 00:11:49.990
definitive proof of their Theory and


00:11:50.000 --> 00:11:51.949
help us better understand Mars's


00:11:51.959 --> 00:11:54.790
fascinating geological history it's


00:11:54.800 --> 00:11:56.910
remarkable how something as simple as


00:11:56.920 --> 00:11:58.590
the planet's color could hold such


00:11:58.600 --> 00:12:01.310
important Clues about its


00:12:01.320 --> 00:12:03.949
past well that brings us to the end of


00:12:03.959 --> 00:12:05.910
another fascinating Journey Through the


00:12:05.920 --> 00:12:08.750
cosmos I'm Anna and I've been thrilled


00:12:08.760 --> 00:12:10.470
to share these incredible developments


00:12:10.480 --> 00:12:12.470
in space science and astronomy with you


00:12:12.480 --> 00:12:14.910
today if you're hungry for more space


00:12:14.920 --> 00:12:16.790
news and want to stay up toate with the


00:12:16.800 --> 00:12:18.910
latest discoveries head over to


00:12:18.920 --> 00:12:20.269
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00:12:20.279 --> 00:12:22.949
daily. there you can sign up for our


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00:12:29.760 --> 00:12:31.550
while you're there you'll also find all


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our past episodes available to stream


00:12:33.160 --> 00:12:35.310
anytime along with additional content


00:12:35.320 --> 00:12:37.030
that dives deeper into the stories we've


00:12:37.040 --> 00:12:39.870
covered today from asteroid near misses


00:12:39.880 --> 00:12:42.350
to the mysteries of Mars's red surface


00:12:42.360 --> 00:12:43.870
there's always something new to discover


00:12:43.880 --> 00:12:46.310
in the world of astronomy thank you for


00:12:46.320 --> 00:12:48.710
joining me on astronomy daily until next


00:12:48.720 --> 00:12:50.310
time keep looking up especially this


00:12:50.320 --> 00:12:52.189
week and wondering about the Magnificent


00:12:52.199 --> 00:13:04.670
Universe we call home


00:13:04.680 --> 00:13:07.200
the St


00:13:07.210 --> 00:13:14.809
[Music]