Topic

Earth Orbit

2 facts

  • Earth63 views

    Earth Has a "Second Moon" That Is Not a True Satellite

    Asteroid 3753 Cruithne is a quasi-satellite of Earth, following a complex horseshoe-shaped orbit around the Sun that makes it appear to orbit Earth. It completes one revolution around the Sun in almost exactly the same time as our planet.

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  • History96 views

    The Great Wall of China Is Not Visible From Space With the Naked Eye

    Despite popular myth, the Great Wall is too narrow and blends too well with its surroundings to be seen without aid from Earth's orbit. Astronauts confirm that while some human structures are visible, the Great Wall is not among them.

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