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Received — 31 May 2026 ⏭ Deep Astronomy

Revealing the Universe's First Stars | Discoveries of Webb Space Telescope Ep 6

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By: Deep Astronomy
30 May 2025 at 15:49

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The James Webb Space Telescope has unveiled candidates for the very first stars to shine in the universe. Here is what it found.

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#astronomy #space #JWST #Hubble #NightSky #Exoplanets #firststars
#cosmology #beginningofuniverse #webbspacetelescope #discoveriesofwebb

Webb's Deepest Field in 4K | Discoveries of Webb Space Telescope Ep 5

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By: Deep Astronomy
24 May 2025 at 03:17

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The COSMOS-Web dataset represents the deepest look into our universe done by #JWST.

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#astronomy #space #JWST #Hubble #NightSky #Exoplanets #DeepField

The Magnificent Carina Nebula in 4K | Discoveries of Webb Space Telescope Ep 4

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By: Deep Astronomy
16 May 2025 at 20:13

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Visuzliation created at STScI and available here:
https://webbtelescope.org/contents/news-releases/2025/news-2025-123#section-id-3

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Astronomers Are Dog People, Astrophysicists are Cat People

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By: Deep Astronomy
9 May 2025 at 15:11

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I've thought long and hard about this. Probably too much, but it's been bugging me and had to say something.

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How To Find The North Star | Your Sky Tonight

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By: Deep Astronomy
30 April 2025 at 17:00

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Ready to become a master of the night sky? ✨ In this video, you'll learn the simple secrets to finding Polaris, our North Star, and why it's been a crucial guide for centuries! 🧭

In this video:

How to locate Polaris, the North Star. ✨
What circumpolar constellations are. 🌌
Which constellations are circumpolar in the Northern Hemisphere.

#NorthStar #Polaris #Astronomy #Stargazing #CircumpolarConstellations #NightSky #Navigation #Space #Science #Constellations

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The Flares of Sagittarius A*, Our Galaxy's Black Hole | Discoveries of Webb Space Telescope Ep 3

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By: Deep Astronomy
14 April 2025 at 17:21

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Astronomers using the #JWST have made direct observations of the black hole at the center of our galaxy: Sagittarius A*. These observations are possible because the Webb Space Telescope can peer through the dust at the center of our galaxy using infrared light. These observations surprised astronomers.

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Webb's First Deep Field | Discoveries of Webb Space Telescope Ep 2

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By: Deep Astronomy
13 February 2025 at 16:53

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The deep fields taken by the Hubble Space Telescope are now legendary. Astronomers used the most complicate and expensive instrument ever put into space to stare at nothing, a very risky move, but one that paid off.

What happened when we did the same thing with the James Webb Space Telescope?

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A Glimpse Into The Early Universe | Discoveries of Webb Space Telescope Ep 1

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By: Deep Astronomy
6 February 2025 at 16:21

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JWST Discovers Planet Formation in the Conditions of the Early Universe

Journey with the James Webb Space Telescope to the star cluster NGC 346, a vibrant region of star birth and potential planet formation. This image offers a glimpse into the early universe, where stars formed under conditions very different from our own Milky Way.

See how JWST's infrared vision reveals protoplanetary disks - swirling clouds of gas and dust around young stars - defying previous models of planet formation. Witness the evidence that planets can form in environments with fewer heavy elements than previously thought, expanding our understanding of how planetary systems like our own come to be.

This stunning image, a mosaic of data collected by JWST's NIRCam instrument, represents a breakthrough in our understanding of the cosmos. Discover the potential for new worlds and the endless possibilities that await as we continue to explore the universe. #JWST #Space #Astronomy #planetformation

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Epsilon Indi Ab: A Twin of Jupiter | Exoplanet Radio ep 43

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By: Deep Astronomy
17 September 2024 at 18:52

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An international team of astronomers has directly imaged this exoplanet, one of the coldest ever seen. The team observed Epsilon Indi Ab using the coronagraph on Webb’s Mid-Infrared Instrument. Only a few tens of exoplanets have ever been directly imaged by space- and ground-based observatories. These observations are ushering in a completely new era in exoplanet research. Show Notes Available at https://exoplanetradio.com/exoplanets/epsilon-indi-Ab/.

The Rogue Planets of JWST | Exoplanet Radio ep 42

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By: Deep Astronomy
17 September 2024 at 00:05

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The Orion Nebula, M42, is the largest stellar nursery close to Earth. Within this massive complex some 1300 light years away, the James Webb Space Telescope has unveiled hundreds of Jupiter-sized rogue planets roaming freely here. Show Notes Available at https://exoplanetradio.com/discoveries/rogue-planets-jwst/.

Exoplanet Secondary Eclipses: Catching a Planet in the Shadows | Exoplanet Radio ep 41

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By: Deep Astronomy
11 October 2023 at 15:58

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Over the course of this show, we’ve talked many many times about the Transit Method for detecting exoplanets. It is simply the measure of a star's decrease in brightness as the star passes through our line of sight. This once difficult measurement has now become commonplace and can even be done with advanced amateur astronomy equipment under a reasonably dark sky.

From this measurement, we can infer a few things about the planets passing by: we can get an indication of its size and if we measure several transits, we can get the period of the orbit around the host star. We can also get an estimate of the period and eccentricity of the orbit by the width of the dip in the light curve.

But there is another, even more difficult measurement we can make using transit telescopes that are an important tool for learning about planets around other stars: exoplanet secondary eclipses.

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How Long Will Life on Earth Last? | Exoplanet Radio ep 42

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By: Deep Astronomy
9 October 2023 at 20:41

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How long before the Earth becomes uninhabitable for all life? This is a reasonable question to ask in the context of our search for life elsewhere because it gives us a framework within which we might expect to discover life on exoplanets.

Nothing lasts forever, stars live and die over the course of hundreds of millions to billions, and in the case of red dwarf stars, trillions of years. Planets are born from the remnants of their parent stars and die over a shorter timescale. Life on those planets, if it exists, is presumed to be shorter still, governed entirely by the environments provided by the combination of the star and planetary characteristics. How long life lasts there ultimately depends on how long the star lives and how it dies.

Using our solar system as an example, since we know life arose here, how long will it last? Astronomers think they have an answer.

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Biosignatures: The Search for Life Beyond Earth | Exoplanet Radio ep 39

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By: Deep Astronomy
4 October 2023 at 14:48

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In recent years, scientists have made great strides in the search for extraterrestrial life. They have discovered thousands of exoplanets. And some of them are located in the habitable zone of their star, which means that liquid water could exist on their surface and is essential for life as we know it.

The search for life however, is a little more involved than finding planets, measuring their location and distance around the star and figuring out their location within a habitable zone.

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Osiris: The Exoplanet That Changed Everything | Exoplanet Radio ep 37

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By: Deep Astronomy
2 October 2023 at 16:12

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The planet is HD 209458 b, and nicknamed "Osiris" after the Egyptian god of the underworld. Osiris is a fitting nickname for this planet, as it is a very hot and hostile world. HD 209458 b orbits its star very closely, and its surface temperature is estimated to be around 1,000 degrees Celsius. This makes it too hot for liquid water to exist on its surface, and it is unlikely to be habitable.

Even so, this planet is remarkable in many ways. It occupies first place in a long list of discovery milestones.

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