Earth-sized exoplanet discovered in ‘our solar backyard’ by international team
“It’s a useful planet because it may be like an early Earth,” says Soares-Furtado.
Young, hot, earth-sized planet HD 63433d sits close to its star in the constellation Ursa Major, while two neighboring, mini-Neptune-sized planets identified in 2020 orbit farther out. (photo credit: Alyssa Jankowski)Updated: 
