View Full Version : How Do Planets Form? Semarkona Meteorite Shows Some Clues

2014-Nov-18, 02:50 PM
It may seem all but impossible to determine how the Solar System formed, given that it happened roughly 4.5 billion years ago. Luckily, much of the debris that was left over from the formation process is still available today for study, circling our Solar System in the form of rocks and debris that sometimes make […]

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