Where did Earth's water come from?
Australian Geographic Magazine|July - August 2023
OUR PLANET’S OCEANS are something we take for granted. But for planetary scientists seeking to understand their origin, there are questions to be answered.
FRED WATSON
Where did Earth's water come from?

Water, we know, is common in the universe. Indeed, with its hydrogen and oxygen makeup, it’s the most abundant of all two-element compounds. Frozen water is plentiful in planetary systems in the form of comets – mountain-sized icebergs in space.

This story is from the July - August 2023 edition of Australian Geographic Magazine.

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This story is from the July - August 2023 edition of Australian Geographic Magazine.

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