Our galaxy may be teeming with rogue planets, gravitationally unbound to any star. An international team of scientists, led by Polish astronomers, has announced the discovery of the smallest Earth-sized free-floating planet found to date. Source: https://phys.org/news/2020-10-earth-sized-rogue-planet-milky.html…
Tag: rogue planet
Are there more rogue planets than stars in our galaxy?
A new study suggests there are more rogue, free-floating planets – unconnected to any star – than stars in our Milky Way galaxy. NASA’s upcoming Nancy Grace Roman Space Telescope is expected to begin finding hundreds of them. Source: https://earthsky.org/space/rogue-planets-milky-way-roman-space-telescope…
95 new cool brown dwarfs in the sun’s neighborhood
A group of citizen scientists working with a NASA citizen science project called Backyard Worlds: Planet 9 has discovered 95 new brown dwarfs in the sun’s nearby neighborhood. Source: https://earthsky.org/space/brown-dwarfs-cosmic-neighborhood-backyard-worlds-citizen-scientists…