A survey of stars and planets performed by NASA astronomers at the W. M. Keck Observatory in Hawaii has concluded that “Nearly one in four stars similar to the sun may host planets as small as Earth….”
on 10/30/2010 – Made popular on 10/30/2010
In a project carried out out by an international team of astronomers with a telescope in New Zealand , a new class of planets has been found out in the universe: planets that do not orbit stars, but float freely out in space.
The Earth has a tail and this dusty feature has been mapped by the Spitzer Space Telescope. Such a mapping is helping astronomers find very distant planets around other stars than our Sun, what are called extrasolar planets.