The hunt for other planets in our galaxy has heated up in the past few decades, with 3,869 planets being detected in 2,886 systems and another 2,898 candidates awaiting confirmation. Though the discovery of these planets has taught scientists much about the kinds of planets that exist in our galaxy, there is still much we do not know about the process of planetary formation.
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Solving a Puzzle
Written by Matt Williams for Universe Today January 7, 2019
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