The next star over has a planet that’s kinda like ours. Astronomers just discovered the closest possible Earth-like planet outside our solar system. It orbits our closest neighboring star, Proxima Centauri. The planet is warm enough for liquid water, is almost certainly rocky and terrestrial, and could even have an atmosphere. At just 4.2 light years away, scientists are even wondering if this may be the closest home for life outside our solar system.
The newly discovered planet has been temporarily named Proxima B by its discoverers, an international team led by astronomer Guillem Anglada-Escudé at Queen Mary University in London. Proxima B is roughly 30 percent larger than Earth, and closely orbits a star far cooler and smaller than our own. Following a month of rumors and hints, Proxima B was unveiled today in a paper in the journal Nature.
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