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

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Around 550 million years ago the earth's magnetic field almost collapsed, but then strengthened a few million years later. Scientists say this may have been due to the formation of the inner core. But why exactly would that cause the magnetic field to get stronger?

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Can someone explain conformal gravity to me?

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Is it possible for a planet to have similar mass to a gas giant but still be terrestrial?

3 upvotes

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How fast does blood flow relative to heart rate?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Around 550 million years ago the earth's magnetic field almost collapsed, but then strengthened a few million years later. Scientists say this may have been due to the formation of the inner core. But why exactly would that cause the magnetic field to get stronger?	3164
Can someone explain conformal gravity to me?	4
Is it possible for a planet to have similar mass to a gas giant but still be terrestrial?	3
How fast does blood flow relative to heart rate?	1