Sept. 27, 2024

The Great Comet visible to the naked eye in October (Comet C/2023 A3)

The Great Comet visible to the naked eye in October (Comet C/2023 A3)

Journey through the cosmos with our latest 'Sleep from Space' episode, featuring the captivating Comet C/2023 A3 (Tsuchinshan-ATLAS). Drift off to sleep as we explore this celestial wanderer's 80,000-year orbit, its fiery encounter with the Sun, and...

Journey through the cosmos with our latest 'Sleep from Space' episode, featuring the captivating Comet C/2023 A3 (Tsuchinshan-ATLAS). Drift off to sleep as we explore this celestial wanderer's 80,000-year orbit, its fiery encounter with the Sun, and its potentially dazzling display in Earth's night sky. Discover the science behind comets and dream of the spectacular cosmic show awaiting us in October 2024. Let the soothing tale of this interstellar visitor lull you into a peaceful slumber under the stars.

Unlock an ad-free podcast experience with Caloroga Shark Media! Get all our shows on any player you love, hassle free! For Apple users, hit the banner on your Apple podcasts app. For Spotify or other players, visit caloroga.com/plus. No plug-ins needed! You also get the other shows on the network ad-free! $4.99, a no brainer.

This podcast supports Podcasting 2.0 if you’d like to support the show via value for value and stream some sats!
WEBVTT

1
00:00:03.120 --> 00:00:12.160
Calarogu Shark Media. Welcome celestial dreamers to another soothing episode

2
00:00:12.199 --> 00:00:16.559
of sleep from space. Tonight, we'll embark on a cosmic

3
00:00:16.640 --> 00:00:20.879
journey to explore the fascinating comet C. Twenty twenty three

4
00:00:21.000 --> 00:00:25.440
A three SuChin shan Atlas, a celestial visitor that promises

5
00:00:25.480 --> 00:00:29.519
to light up our skies in the coming months. So

6
00:00:29.760 --> 00:00:32.479
settle in, close your eyes, and let the wonders of

7
00:00:32.520 --> 00:00:37.039
this ethereal traveler lull you into a peaceful slumber. Imagine

8
00:00:37.079 --> 00:00:40.640
yourself floating high above the Earth, our beautiful blue planet

9
00:00:40.759 --> 00:00:44.960
slowly rotating beneath you. From this celestial vantage point, we

10
00:00:45.039 --> 00:00:48.119
can see a small icy object hurtling through the vast

11
00:00:48.159 --> 00:00:51.280
expanse of our Solar system, leaving a trail of dust

12
00:00:51.320 --> 00:00:54.640
and gas in its wake. This is comet C. Twenty

13
00:00:54.840 --> 00:00:58.759
twenty three A three SuChin shan Atlas, a cosmic wanderer

14
00:00:58.759 --> 00:01:02.359
that has captured the imagine nation of astronomers and stargazers alike.

15
00:01:06.400 --> 00:01:09.120
Let's begin our journey by understanding the nature of this

16
00:01:09.200 --> 00:01:13.040
celestial visitor. C. Twenty twenty three A three is a

17
00:01:13.079 --> 00:01:16.879
long period comet originating from the distant Oort cloud at

18
00:01:16.920 --> 00:01:20.000
the edges of our solar system. It takes an astounding

19
00:01:20.079 --> 00:01:23.000
eighty thousand, six hundred and sixty years to complete a

20
00:01:23.040 --> 00:01:27.239
single orbit around the Sun. Imagine the countless civilizations that

21
00:01:27.280 --> 00:01:29.840
have risen and fallen on Earth since this comet last

22
00:01:29.920 --> 00:01:33.159
graced our skies. As we drift closer to the comet

23
00:01:33.200 --> 00:01:36.239
in our mind's eye, we can see its icy nucleus,

24
00:01:36.439 --> 00:01:42.040
a mixture of frozen gases, dust, and rock. This nucleus,

25
00:01:42.079 --> 00:01:44.840
typically just a few kilometers across, is the heart of

26
00:01:44.879 --> 00:01:47.879
the comet. As it approaches the warmth of the Sun,

27
00:01:48.079 --> 00:01:52.200
the ice begins to sublimate, creating the comet's distinctive coma,

28
00:01:52.640 --> 00:02:01.000
a fuzzy atmosphere surrounding the nucleus, and its magnificent tail. Now,

29
00:02:01.079 --> 00:02:04.680
let's follow the comet's journey through our solar system. In

30
00:02:04.719 --> 00:02:09.000
September twenty twenty four, C twenty twenty three entered the

31
00:02:09.120 --> 00:02:11.960
orbit of Venus, venturing closer to the Sun than it

32
00:02:12.000 --> 00:02:15.800
has been in millennia. On September twenty seventh, it reached

33
00:02:15.800 --> 00:02:19.360
its perihelion, its closest approach to the Sun, at a

34
00:02:19.400 --> 00:02:23.280
distance of just zero point thirty nine astronomical units. That's

35
00:02:23.280 --> 00:02:26.439
closer to the Sun than Mercury's orbit. As the comet

36
00:02:26.520 --> 00:02:30.479
rounds the Sun, feel the intense heat washing over its surface.

37
00:02:32.680 --> 00:02:36.919
The solar radiation causes the comet's icy materials to vaporize rapidly,

38
00:02:37.240 --> 00:02:41.080
potentially creating a spectacular tail that could stretch millions of

39
00:02:41.159 --> 00:02:47.680
kilometers into space. This is a critical moment for our

40
00:02:47.719 --> 00:02:52.319
celestial traveler. The intense solar heat and gravitational forces could

41
00:02:52.319 --> 00:02:57.360
cause the comet to break apart. But if it survives

42
00:02:57.400 --> 00:03:03.039
this fiery encounter, we're in for a t truly magnificent show.

43
00:03:05.919 --> 00:03:09.840
After its solar rendezvous c. Twoenty twenty three, A three

44
00:03:10.000 --> 00:03:13.159
will race towards Earth, reaching its closest approach to our

45
00:03:13.199 --> 00:03:18.919
planet on October twelfth, twenty twenty four. At this point,

46
00:03:19.120 --> 00:03:21.199
it will be a mere zero point four to eight

47
00:03:21.319 --> 00:03:25.800
astronomical units away, about seventy two million kilometers, close enough

48
00:03:25.800 --> 00:03:28.120
for us to see it clearly, yet far enough to

49
00:03:28.159 --> 00:03:34.319
pose no threat to our planet. As you drift towards sleep,

50
00:03:34.639 --> 00:03:38.159
imagine the sight that awaits us in the crisp autumn air.

51
00:03:38.560 --> 00:03:44.479
Look to the western sky just after sunset. There, hanging

52
00:03:44.560 --> 00:03:48.000
like a celestial jewel, you might see c. Twenty twenty

53
00:03:48.039 --> 00:03:52.080
three A three in all its glory. Current predictions suggest

54
00:03:52.120 --> 00:03:54.840
it could reach a magnitude of minus three point zero

55
00:03:55.199 --> 00:03:58.360
or even brighter, out shining every star in the sky

56
00:03:58.520 --> 00:04:01.199
except for our Sun. Its tail could stretch up to

57
00:04:01.240 --> 00:04:04.639
twenty degrees across the sky. That's forty times the width

58
00:04:04.639 --> 00:04:08.360
of the full moon. Picture the comet's ghostly tails sweeping

59
00:04:08.400 --> 00:04:12.280
across the darkening sky, a cosmic paintbrush, leaving trails of

60
00:04:12.319 --> 00:04:16.199
stardust in its wake. The tail, composed of gas and

61
00:04:16.319 --> 00:04:19.639
dust particles, points away from the Sun, pushed by the

62
00:04:19.680 --> 00:04:23.680
solar wind. As Earth moves through the comet's orbital plane,

63
00:04:23.720 --> 00:04:27.360
we might even witness an anti tail, a rare phenomenon

64
00:04:27.600 --> 00:04:30.240
where the dust tail appears to point towards the Sun

65
00:04:30.439 --> 00:04:34.560
due to our viewing angle. For a few precious days

66
00:04:34.560 --> 00:04:38.519
in mid October c twenty twenty three, A three could

67
00:04:38.560 --> 00:04:42.639
provide one of the most spectacular celestial shows in recent memory.

68
00:04:45.639 --> 00:04:47.839
It might even earn the title of a great comet,

69
00:04:48.360 --> 00:04:51.560
a rare designation reserved for comets so bright they capture

70
00:04:51.560 --> 00:04:57.319
the attention of even casual observers. As you're breathing slows

71
00:04:57.399 --> 00:05:00.639
and you prepare for sleep, let the vastness of space

72
00:05:00.680 --> 00:05:05.800
and time wash over you. Think of the journey this

73
00:05:05.839 --> 00:05:08.800
comet has taken from the frigid outer reaches of our

74
00:05:08.839 --> 00:05:12.600
Solar System, around our Sun and now passing close to

75
00:05:12.639 --> 00:05:15.920
our celestial home. It's a cosmic dance that has been

76
00:05:15.959 --> 00:05:19.600
repeating for billions of years, a testament to the ever changing,

77
00:05:19.720 --> 00:05:25.600
yet cyclical nature of our universe. Feel yourself floating once

78
00:05:25.639 --> 00:05:28.800
more in the silence of space, cradled in the soft

79
00:05:28.879 --> 00:05:33.120
glow of starlight. The Earth turns slowly below a beautiful

80
00:05:33.120 --> 00:05:36.839
blue oasis in the cosmic ocean, while comets C. Twenty

81
00:05:36.959 --> 00:05:40.240
twenty three A three continues its long journey back to

82
00:05:40.279 --> 00:05:46.680
the outer Solar System. Your breathing slows, matching the steady,

83
00:05:46.759 --> 00:05:57.079
ancient rhythms of celestial motion. Sleep now, fellow stargazer, and

84
00:05:57.160 --> 00:06:00.560
dream of icy comets racing through the night sky, their

85
00:06:00.600 --> 00:06:10.480
tails painting streaks of star dust across the heavens. When

86
00:06:10.480 --> 00:06:12.639
you wake, May you carry with you a sense of

87
00:06:12.680 --> 00:06:15.199
wonder at the cosmic spectacles that await us in the

88
00:06:15.240 --> 00:06:22.399
coming months, until our next adventure among the stars. This

89
00:06:22.600 --> 00:06:26.199
is sleep from Space, wishing you sweet dreams filled with

90
00:06:26.240 --> 00:06:29.319
the ethereal beauty. Of Comet c. Twenty twenty three. A

91
00:06:29.480 --> 00:06:31.160
three SuChin Chinn Atlas