100 cool worlds found near the Sun
Tuesday, August 18, 2020 - 10:01
in Astronomy & Space
How complete is our census of the Sun's closest neighbors? Astronomers and a team of data-sleuthing volunteers participating in Backyard Worlds: Planet 9, a citizen science project, have discovered roughly 100 cool worlds near the Sun—objects more massive than planets but lighter than stars, known as brown dwarfs.