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The Donut That Used To Be a Star
The death of a star is one of the most dramatic natural events in the Universe. Some stars die in dramatic supernova explosions, leaving nebulae behind as shimmering remnants of their former...
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According to Simulations, the Milky Way is One in a Million
Humanity is in a back-and-forth relationship with nature. First, we thought we were at the center of everything, with the Sun and the entire cosmos rotating around our little planet. We eventually...
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Astronomers Uncover Mass Migration of Stars into Andromeda
Astronomers know that galaxies grow over time through mergers with other galaxies. We can see it happening in our galaxy. The Milky Way is slowly absorbing the Large and Small Magellanic Clouds and...
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JWST Sees Merging Galaxies Releasing the Light of a Trillion Suns
If we want to know what it’ll look like in about 4.5 billion years when our galaxy merges with Andromeda, we might take a look at ARP 220. ARP 220 is a pair of galaxies that are in the process of...
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There Aren’t Many Galaxies Like The Milky Way Nearby. Now We Know Why
The Milky Way is a barred spiral galaxy, maybe even a grand design spiral galaxy. We can’t be sure from our vantage point. But one thing is certain: there aren’t many disk galaxies like it in our part...
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Feast Your Eyes on 19 Face-On Spiral Galaxies Seen by Webb
If you’re fascinated by Nature, these images of spiral galaxies won’t help you escape your fascination. These images show incredible detail in 19 spirals, imaged face-on by the JWST. The galactic arms...
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JWST Sees a Milky Way-Like Galaxy Coming Together in the Early Universe
The gigantic galaxies we see in the Universe today, including our own Milky Way galaxy, started out far smaller. Mergers throughout the Universe’s 13.7 billion years gradually assembled today’s...
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Three of the Oldest Stars in the Universe Found Circling the Milky Way
Mention the Milky Way and most people will visualise a great big spiral galaxy billions of years old. It’s thought to be a galaxy that took shape billions of years after the Big Bang. Studies by...
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Astronomers Propose a 14-Meter Infrared Space Telescope
The Universe wants us to understand its origins. Every second of every day, it sends us a multitude of signals, each one a clue to a different aspect of the cosmos. But the Universe is the original...
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Almost a Third of Early Galaxies Were Already Spirals
In the years before the JWST’s launch, astronomers’ efforts to understand the early Universe were stymied by a stubborn obstacle: the light from the early Universe was red-shifted to an extreme...
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