A huge alien world orbits 600 billion miles (1 trillion kilometers) from its host star, making its planetary system the most widely separated one known, a new study reports. The alien planet takes about 900,000 years to complete one orbit.
A huge alien world orbits 600 billion miles (1 trillion kilometers) from its host star, making its planetary system the most widely separated one known, a new study reports. The alien planet takes about 900,000 years to complete one orbit.
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