brown dwarfs

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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
+2+2
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