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  • 6 weeks ago
How did Earth keep its water during a time when the entire planet was a molten inferno? :globe_showing_Europe-Africa::fire:
A groundbreaking 2025 study reveals that water may have been locked away deep inside Earth’s mantle—hidden in a powerful mineral called bridgmanite.

Using cutting-edge tech like diamond anvils and lasers hotter than the Sun’s surface, scientists recreated early Earth conditions and discovered that bridgmanite can trap massive amounts of water—even during Earth’s hottest phase.

This hidden reservoir not only saved Earth’s water—it helped create the atmosphere, drive tectonic activity, and form the oceans we see today.

Watch now to uncover the true story of how Earth became a blue planet :water_wave:
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Transcript
00:00What if Earth's oceans didn't arrive from space, but were hiding inside the planet all along?
00:05Four and a half billion years ago, Earth wasn't blue and peaceful.
00:09It was a blazing ball of molten rock, so hot water couldn't survive on the surface.
00:14Yet today, oceans cover 70% of our planet.
00:18So how did water not vanish in that fiery chaos?
00:21Scientists now believe the answer was buried deep underground.
00:25A new study reveals that Earth's most common mantle mineral, Bridgmanite,
00:29acted like a microscopic sponge during Earth's violent beginnings.
00:33As the planet cooled from a magma ocean, Bridgmanite trapped water deep in the mantle, far below the surface.
00:39Researchers recreated the extreme heat and pressure of early Earth using a diamond anvil and lasers reaching 4100 degrees C.
00:47The results were shocking. Bridgmanite can store far more water at high temperatures than we ever imagined.
00:52This hidden water acted like Earth's life support system.
00:56It helped drive tectonic activity, formed the atmosphere, and eventually flowed back to the surface, creating our oceans.
01:03So, Earth didn't just hold onto its water. It sealed it away in its heart, until the planet was ready for life.
01:09The way it is.
01:10The way it was done is lit, the way it is.
01:12That way it is.
01:13It settled.
01:14And I think it's like a tree and a tree, it's like a tree.
01:17We didn't see it.
01:18We didn't see it anymore like that.
01:19But the sun was like the sun was in the sea, even though.
01:20We didn't see it all blue, you know.
01:21We may see it.
01:22We didn't see it.
01:23We're done.
01:24So we are the next couple of the waters.
01:25You know, I felt like the sun is ready for life.
01:27We saw the sun was ready for life.
01:28We can never see it.
01:29We can never see it.
01:30We've been justихjis and we have something interesting.
01:31We have to have the power of this.
01:33We can't do anything more.
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