A rocky planet discovered in the "habitable" zone of the star nearest our Sun may be covered with oceans, according to a new study.
The pull of gravity on a distant star can now be measured more accurately, shedding light on other worlds, say astronomers.
A rocky planet discovered in the "habitable" zone of the star nearest our Sun may be covered with oceans, according to a new study.
The pull of gravity on a distant star can now be measured more accurately, shedding light on other worlds, say astronomers.