Morning Overview on MSN
Discovery suggests Earth once had two moons that merged
Recent scientific research has unearthed an intriguing proposition that Earth may have once been orbited by two moons instead ...
Our planet has apparently had a small companion that went undetected for decades. What took so long to find it and why was it hidden?
Smithsonian Magazine on MSN
Astronomers Say Earth Has a Newly Discovered ‘Quasi-Moon,’ a Companion That Shares Its Orbit Around the Sun
Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...
Lunar minerals generate the rust mineral hematite when bombarded with high-energy oxygen particles, experiments show.
Ruined structures -- Rocks in a stream -- Systems inside systems -- Strange places and small things -- Pebbles and giant impacts -- The last ones standing -- A billion earths Summary An astonishing ...
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