An artist's conception of Kepler - 22b, a planet 600 light years away from Earth, and the first
confirmed planet outside our solar system that could conceivably harbor life as we know it.
Not exact matches
The new
planet haul is the biggest yet, bringing the number of
confirmed worlds
outside our
solar system over 3200 - and edges us closer to knowing how many stars host other Earths
That's why, ever since astronomers
confirmed the first
planet outside of our
solar system in 1995, they have been looking for signs of water on the 200 - plus exoplanets now known.
Scientists from Princeton University and NASA have
confirmed that 1,284 objects observed
outside Earth's
solar system by NASA's Kepler spacecraft are indeed
planets.
The
planet, which is about 1.6 times the size of Earth, is also the nearest
confirmed rocky
planet outside our
solar system.
Astronomers have
confirmed that an object that recently passed by our
planet is from
outside our
Solar System — the first interstellar asteroid that's ever been observed.