NASA, ESA, CSA, STScI, K. Luhman (Penn State University), and C. Alves de Oliveira (ESA)
- NASA's Webb telescope spotted what is likely the smallest brown dwarf ever observed.
- Brown dwarfs are some of the most unusual objects in the universe. They aren't a star or a planet.
- In theory, such a brown dwarf shouldn't exist. Theorists have their hands full explaining this one.
NASA's James Webb Space Telescope has helped set yet another record.