NASA probe discovers new planet HD 21749b, calls it 'coolest small planet'
The planet, named HD 21749b, orbits a bright, nearby dwarf star about 53 light years away.
Jan 08, 2019, 11:49 AM IST
The planet, named HD 21749b, orbits a bright, nearby dwarf star about 53 light years away.
Jan 08, 2019, 11:49 AM IST