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When did our solar system's planets form? Discovery of tiny meteorite may challenge the timeline
Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...
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Earth and the Mysterious Planet Theia Were Likely Close Neighbors Before the Moon Formed
The moon has been Earth's constant companion for approximately 4.5 billion years, escorting the planet during its myriad journeys around the sun. While its origins are a little hazy - it cannot be ...
New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon, came from closer to the sun. Artist’s impression of the collision between ...
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