brown dwarfs

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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
miscellanymiscellany
+6+6
Protons are very, very small
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Protons are very, very small

It takes a lot of them to fit across an orange, for example. And a mole, too.

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
exoplanetsexoplanets
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Hey, is that a failed star or a super-successful planet?

Hey, is that a failed star or a super-successful planet?

Astronomers find lightweight brown dwarfs can form like planets

Philip Plait
Philip Plait
Hubble Space TelescopeHubble Space Telescope
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Two JWST stories: an incredible nebula/star cluster image, and a map of dark matter

Two JWST stories: an incredible nebula/star cluster image, and a map of dark matter

Westerlund 2 is a feast for the eyes, and the dark matter map a feast for the brain

Philip Plait
Philip Plait
miscellanymiscellany
+4+4
How incomplete are we?
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How incomplete are we?

Completeness is an important concept for surveys in astronomy

Philip Plait
Philip Plait
dustdust
+6+6
Little Red Dots at the edge of the universe may be black holes powering gigantic balls of gas

Little Red Dots at the edge of the universe may be black holes powering gigantic balls of gas

These “Black Hole Stars” are theoretical, but do explain what we see

Philip Plait
Philip Plait
asteroidsasteroids
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A brown dwarf reveals its mass
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A brown dwarf reveals its mass

Plus: Are Fast Radio Bursts caused by asteroids slamming into neutron stars?

Philip Plait
Philip Plait