An illustration compares Earth (L) to a planet beyond the solar system that is a close match to Earth, called Kepler-452b. The planet, which is about 60 percent bigger than Earth, is located about 1,400 light years away in the constellation Cygnus.
Kepler-186f is seen in a NASA artist’s concept released April 17, 2014. The planet is the first validated Earth-size planet to orbit a distant star in the habitable zone which is a range of distance from a star where liquid water might pool on the planet’s surface. The discovery is the closest scientists have come so far to finding a true Earth twin. The star, known as Kepler-186 and located about 500 light years away in the constellation Cygnus, is smaller and redder than the sun.
A newly discovered planet-like object, dubbed “Sedna” is seen in this artist’s concept released by NASA March 26, 2014. Astronomers have found…
View original post 408 more words