stellar 581d is in star 's habitable zone and may be suitable for humans . Found in 2010 , it was later dismissed as Gliese bursts and not a planet . Now , scientists believe earlier analysis was based on inaccurate data . They say planet does exist and may provide hope for finding alien life .
Gliese 581d is in star 's habitable zone and may be suitable for humans . Found in 2010 , it was later dismissed as stellar bursts and not a planet . Now , scientists believe earlier analysis was based on inaccurate data . They say planet does exist and may provide hope for finding alien life .