Brown Dwarfs
News & Articles
![Background: A black landscape with small stars. Left: A small Jupiter-like orb. Right: A larger reddish orb passes in front of a star.](https://science.nasa.gov/wp-content/uploads/2024/04/browndwarf-watermark.png?w=4096&format=png)
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…
Article2 months ago
![This artist's concept shows a brown dwarf, an object more massive than a planet but smaller than a star. The dwarf is a cherry-red sphere. It has horizontal stripes of various shades of red that are cloud bands. In the dark background there are myriad stars that are inside our Milky Way galaxy.](https://science.nasa.gov/wp-content/uploads/2024/03/hubble-brown-dwarf-illustration-stsci-01hqtgma3t0e0fmag6kd1d053k.jpg?w=4096&format=jpeg)
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…
Article3 months ago
![](https://www.nasa.gov/wp-content/uploads/2024/01/webb-stsci-01hkmvcm2zq9xgy7vfgap0c3na.png?w=4096&format=png)
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…
Article6 months ago
![](https://www.nasa.gov/wp-content/uploads/2023/12/webb-stsci-01hfc8kwyqk5zh2kkgh2362bbf-2k.png?w=4096&format=png)
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…
Article7 months ago
![Where the Sun Sets Twice (Artist Concept)](https://science.nasa.gov/wp-content/uploads/2023/09/PIA14724_ip-1.jpg?w=4096&format=jpeg)
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…
Topic
![Artist rendering of a fast spinning brown dwarf](https://science.nasa.gov/wp-content/uploads/2023/09/Brown_Dwarf_1.jpeg?w=4096&format=jpeg)
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…
Article3 years ago
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