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Brown Dwarfs

NASA’s NEOWISE Spacecraft Re-Enters Atmosphere, But More Discoveries Await!
2 min read

NASA’s NEOWISE (Near-Earth Object Wide-field Infrared Survey Explorer) spacecraft re-entered and burned up in Earth’s atmosphere on Friday night, as…

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A Solar Neighborhood Census, Thanks to NASA Citizen Science
4 min read

To take a census of nearby cosmic objects, sending out a survey won’t work. Scientists need to use many telescopes…

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NASA’s Hubble Finds that Aging Brown Dwarfs Grow Lonely
4 min read

It takes two to tango, but in the case of brown dwarfs that were once paired as binary systems, that…

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NASA’s Webb Finds Signs of Possible Aurorae on Isolated Brown Dwarf
7 min read

Infrared emission from methane suggests atmospheric heating by auroral processes. Astronomers using NASA’s James Webb Space Telescope have found a…

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NASA’s Webb Identifies Tiniest Free-Floating Brown Dwarf
6 min read

Brown dwarfs are objects that straddle the dividing line between stars and planets. They form like stars, growing dense enough…

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Strange New Worlds
1 min read

A world with two suns, a lava planet, and a world trapped in eternal darkness are just some of the…

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Fast-Spinning Brown Dwarfs May Reveal a Rotational Speed Limit
6 min read

Using data from NASA’s Spitzer Space Telescope, scientists have identified the three fastest-spinning brown dwarfs ever found. More massive than…

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Types
7 min read

Types of Stars The universe’s stars range in brightness, size, color, and behavior. Some types change into others very quickly,…

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