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Home » 2015 » January » 30

Ancient planets are almost as old as the universe

The Old Ones were already ancient when the Earth was born. Five small planets orbit an 11.2 billion-year-old star, making them about 80 per cent as old as the universe itself. That means our galaxy started building rocky planets earlier than we thought.

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Views: 427 | Added by: scienceclub | Date: 30-Jan-2015 | Comments (0)

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