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Dave Scott and Jim Irwin in "Hadley Rille" by Alan Bean

Moon and Mars Puzzle Geologists

"Young" features have no clear explanation, leaving scientists baffled.

Major Rethink of Magma Dogma

How fast does it take to fill a big magma chamber? Millions of years? No. Just a few months, actually.

Our Moon Refuses to Obey Scientists

The neat theories for the origin of the moon and its subsequent evolution unravel when you try to stuff long ages into a young body.

What Do Geologists Know About the Early Earth?

There's not much data, and there's a lot of doubt and debate. That's what a geologist admits about theories of early earth history.
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