0 Question: What is the smalles planet you know of (not just in our solar system)? Keywords: smallest planet Asked by TJ to Lisa, Mark, Rachel, Sammie, Stephen, Tim on 12 Mar 2018.
Mark Mirmelstein answered on 12 Mar 2018:
With current methods, we cannot discover really really small planets, so at the moment the smallest planet we know about is Mercury in our solar system.
TJ commented on 13 Mar 2018:
Oh well that’s still fascinating thank you
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TJ commented on :
Oh well that’s still fascinating thank you