Astronomers Uncover Mysterious ‘Quasi-Moon’ Secretly Shadowing Earth’s Journey Around the Sun

Astronomers Uncover Mysterious ‘Quasi-Moon’ Secretly Shadowing Earth’s Journey Around the Sun

Current calculations show no risk of any known quasi-moon colliding with Earth in the foreseeable future, and their predictable orbits mean astronomers would have ample warning if any trajectory changes occurred.

For now, scientists plan to continue tracking PN7 to refine its orbit and learn more about its surface. Further observations could reveal whether it is a rocky fragment, a carbon-rich body, or something else entirely.

Improved telescopes, including the upcoming Vera C. Rubin Observatory in Chile, are expected to spot many more faint, near-Earth objects in the coming years. That could turn up additional quasi-moons hiding in plain sight.


After learning about Earth’s new quasi-moon, go inside the conspiracy theory that suggests the Moon landing was fake. Then, meet Enos, the first chimp to orbit Earth.

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