Another question with a reasonably accurate, but unsourced answer. So I found a really nice planet/moon comparison tool from NASA that I hope the questioner uses to answer similar questions. Will probably add it to my book manuscript in the chapter “What if your story is not set on Earth?”

The cool thing about library reference is that you often educate yourself as you find accurate and authoritative information for your patron.

Answered as part of this month’s Slam the Board’s effort.

Slam the Boards: April 2013 – What is Europas size and Mass and how does it compare with our moon’s mass and size?

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