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September 27, 2024 6 mins
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.

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Episode Transcript

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Speaker 1 (00:03):
Calarogu Shark Media. Welcome celestial dreamers to another soothing episode
of sleep from space. Tonight, we'll embark on a cosmic
journey to explore the fascinating comet C. Twenty twenty three
A three SuChin shan Atlas, a celestial visitor that promises

(00:25):
to light up our skies in the coming months. So
settle in, close your eyes, and let the wonders of
this ethereal traveler lull you into a peaceful slumber. Imagine
yourself floating high above the Earth, our beautiful blue planet
slowly rotating beneath you. From this celestial vantage point, we
can see a small icy object hurtling through the vast

(00:48):
expanse of our Solar system, leaving a trail of dust
and gas in its wake. This is comet C. Twenty
twenty three A three SuChin shan Atlas, a cosmic wanderer
that has captured the imagine nation of astronomers and stargazers alike.
Let's begin our journey by understanding the nature of this

(01:09):
celestial visitor. C. Twenty twenty three A three is a
long period comet originating from the distant Oort cloud at
the edges of our solar system. It takes an astounding
eighty thousand, six hundred and sixty years to complete a
single orbit around the Sun. Imagine the countless civilizations that
have risen and fallen on Earth since this comet last

(01:29):
graced our skies. As we drift closer to the comet
in our mind's eye, we can see its icy nucleus,
a mixture of frozen gases, dust, and rock. This nucleus,
typically just a few kilometers across, is the heart of
the comet. As it approaches the warmth of the Sun,
the ice begins to sublimate, creating the comet's distinctive coma,

(01:52):
a fuzzy atmosphere surrounding the nucleus, and its magnificent tail. Now,
let's follow the comet's journey through our solar system. In
September twenty twenty four, C twenty twenty three entered the
orbit of Venus, venturing closer to the Sun than it
has been in millennia. On September twenty seventh, it reached

(02:15):
its perihelion, its closest approach to the Sun, at a
distance of just zero point thirty nine astronomical units. That's
closer to the Sun than Mercury's orbit. As the comet
rounds the Sun, feel the intense heat washing over its surface.
The solar radiation causes the comet's icy materials to vaporize rapidly,

(02:37):
potentially creating a spectacular tail that could stretch millions of
kilometers into space. This is a critical moment for our
celestial traveler. The intense solar heat and gravitational forces could
cause the comet to break apart. But if it survives

(02:57):
this fiery encounter, we're in for a t truly magnificent show.
After its solar rendezvous c. Twoenty twenty three, A three
will race towards Earth, reaching its closest approach to our
planet on October twelfth, twenty twenty four. At this point,

(03:19):
it will be a mere zero point four to eight
astronomical units away, about seventy two million kilometers, close enough
for us to see it clearly, yet far enough to
pose no threat to our planet. As you drift towards sleep,
imagine the sight that awaits us in the crisp autumn air.
Look to the western sky just after sunset. There, hanging

(03:44):
like a celestial jewel, you might see c. Twenty twenty
three A three in all its glory. Current predictions suggest
it could reach a magnitude of minus three point zero
or even brighter, out shining every star in the sky
except for our Sun. Its tail could stretch up to
twenty degrees across the sky. That's forty times the width

(04:04):
of the full moon. Picture the comet's ghostly tails sweeping
across the darkening sky, a cosmic paintbrush, leaving trails of
stardust in its wake. The tail, composed of gas and
dust particles, points away from the Sun, pushed by the
solar wind. As Earth moves through the comet's orbital plane,
we might even witness an anti tail, a rare phenomenon

(04:27):
where the dust tail appears to point towards the Sun
due to our viewing angle. For a few precious days
in mid October c twenty twenty three, A three could
provide one of the most spectacular celestial shows in recent memory.
It might even earn the title of a great comet,

(04:48):
a rare designation reserved for comets so bright they capture
the attention of even casual observers. As you're breathing slows
and you prepare for sleep, let the vastness of space
and time wash over you. Think of the journey this
comet has taken from the frigid outer reaches of our

(05:08):
Solar System, around our Sun and now passing close to
our celestial home. It's a cosmic dance that has been
repeating for billions of years, a testament to the ever changing,
yet cyclical nature of our universe. Feel yourself floating once
more in the silence of space, cradled in the soft

(05:28):
glow of starlight. The Earth turns slowly below a beautiful
blue oasis in the cosmic ocean, while comets C. Twenty
twenty three A three continues its long journey back to
the outer Solar System. Your breathing slows, matching the steady,
ancient rhythms of celestial motion. Sleep now, fellow stargazer, and

(05:57):
dream of icy comets racing through the night sky, their
tails painting streaks of star dust across the heavens. When
you wake, May you carry with you a sense of
wonder at the cosmic spectacles that await us in the
coming months, until our next adventure among the stars. This

(06:22):
is sleep from Space, wishing you sweet dreams filled with
the ethereal beauty. Of Comet c. Twenty twenty three. A
three SuChin Chinn Atlas
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