/u/A_HECKIN_DOGGO's posts in /r/askscience

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If the moon is only 1.2% the mass of Earth, why does it half roughly a sixth the earth's gravity? Is gravity not proportional to the mass of an object in astronomy?

507 upvotes

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When was it realized/ proposed that modern birds were actually dinosaurs?

246 upvotes

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Why do Tectonic Plates seem to 'reverse' their directions over time?

21 upvotes

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Can the Miller-Urey Experiment create amino acids and polypeptides?

9 upvotes

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What are 'member' formations in geology and how do they differ from 'normal' geological formations?

5 upvotes

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If a planet needs to ‘clear the neighborhood’ around its orbit to be considered a planet, could a potentially Jupiter sized mass object be considered a ‘non-planet’ of it still has objects of comparable size around its own orbit? Does size alone not justify a planet being a planet in that case?

1 upvotes

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Saturn V Rocket in space- How far would it go/ how fast could we go?

1 upvotes

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Do we know what Earth was like Before the Theia Impact?

1 upvotes

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GEOLOGY- What does the term “Truncation” mean?

1 upvotes

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Can Volcanic Calderas be 'off-center?'

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If the moon is only 1.2% the mass of Earth, why does it half roughly a sixth the earth's gravity? Is gravity not proportional to the mass of an object in astronomy?	507
When was it realized/ proposed that modern birds were actually dinosaurs?	246
Why do Tectonic Plates seem to 'reverse' their directions over time?	21
Can the Miller-Urey Experiment create amino acids and polypeptides?	9
What are 'member' formations in geology and how do they differ from 'normal' geological formations?	5
If a planet needs to ‘clear the neighborhood’ around its orbit to be considered a planet, could a potentially Jupiter sized mass object be considered a ‘non-planet’ of it still has objects of comparable size around its own orbit? Does size alone not justify a planet being a planet in that case?	1
Saturn V Rocket in space- How far would it go/ how fast could we go?	1
Do we know what Earth was like Before the Theia Impact?	1
GEOLOGY- What does the term “Truncation” mean?	1
Can Volcanic Calderas be 'off-center?'	1