ScienceSpiral Arms Around Young Star Shed Light On How Planets Form The ALMA observatory captured an image of spiral arms in the protoplanetary disk of the young star Elias 2-27. The structure offers hints on how large planets form.by Rhodi Lee
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ScienceElon Musk Mars Colonization Plans: SpaceX CEO Unveils Interplanetary Transport System To Bring Humans To Red Planet [Video]by Rhodi Lee