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supernovaesupernovae
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An egg-shaped planet orbits a death star

An egg-shaped planet orbits a death star

And that’s not the only thing weird about it

Philip Plait
Philip Plait
MarsMars
+7+7
Radioactive cosmic dust is raining down on Earth’s surface

Radioactive cosmic dust is raining down on Earth’s surface

It sounds worse than it is. In fact, it’s really cool and telling us about our local galactic neighborhood

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
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Another gorgeous Hubble galaxy, but it has many secrets
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Another gorgeous Hubble galaxy, but it has many secrets

NGC 7722 is a weird hybrid of galaxy types. What does that tell us?

Philip Plait
Philip Plait
supernovaesupernovae
+5+5
A low-mass star is screaming past us. Was it spat out by a supermassive black hole?
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A low-mass star is screaming past us. Was it spat out by a supermassive black hole?

It’s moving at 1.6 million kilometers per hour, and may be falling back into the galaxy

Philip Plait
Philip Plait
SN2023ixf still shining, A book talk, and Daisy the sundog
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SN2023ixf still shining, A book talk, and Daisy the sundog

An image of the new and nearby supernova SN2023ixf will delight your eyeballs

Eerie tendrils reach out from an exploded star

Eerie tendrils reach out from an exploded star

A new image of an old supernova show strange structures like long, thin, vaporous fingers

Philip Plait
Philip Plait
How is a ring of gas a light-year across like a jet contrail?

How is a ring of gas a light-year across like a jet contrail?

A new idea about Supernova 1987A’s ring may explain more of its bizarreness

Philip Plait
Philip Plait
supernovaesupernovae
+7+7
A ridiculously jaw-dropping JWST image of a fantastically terrifying star system

A ridiculously jaw-dropping JWST image of a fantastically terrifying star system

Apep consists of three immense and immensely powerful stars blasting out a fierce dusty wind

Philip Plait
Philip Plait
climate changeclimate change
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The Swift spacecraft reboost mission has failed

The Swift spacecraft reboost mission has failed

Swift has a few months at most before it burns up in Earth’s atmosphere

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
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Crabiversary issue, Two brown dwarfs may soon become one

Crabiversary issue, Two brown dwarfs may soon become one

Just a fun tip o’ the hat to a great gas cloud, and a brown dwarf is eating another one and may become a star

Philip Plait
Philip Plait
Hubble sees the expanding debris from an ancient catastrophe

Hubble sees the expanding debris from an ancient catastrophe

We can actually see the motion of gas screaming away from the site of a supernova, one of the most singular violent events in the cosmos

Big Body Briefly Blocks Betelgeuse

Big Body Briefly Blocks Betelgeuse

An asteroid passes directly in front of everyone’s favorite supernova progenitor tonight

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