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The newly confirmed planet, Kepler-22b, orbits smack in the middle of the habitable zone of a star similar to our own.
Previous research had hinted at the existence of such Earth-like planets, where liquid water could exist, but this is the first time such a life-friendly alien planet has been confirmed.
The planet is about 2.4 times wider around than Earth. It’s still unknown whether Kepler-22b has a rocky, gaseous or liquid composition, but its discovery is a milestone to finding Earth-like planets.
“This is a major milestone on the road to finding Earth’s twin,” Douglas Hudgins, Kepler program scientist at NASA Headquarters in Washington said
Infrared images from the Hubble have also shown that hidden at the center of this activity are what seem to be disks of matter spiraling into a black hole with a billion times the mass of the Sun. Centaurus A itself is apparently the result of a collision of two galaxies and the left over debris is steadily being consumed by the black hole.