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Physics & Astronomy Facts

On the first day of the Mapping Phase of the Mars Global Surveyor mission, MOC was greeted with this view of
Two Face? Absolutely!

During the Viking missions to Mars in the mid 1970s, the planet was imaged from orbit by the Viking 1 and 2 Orbiters. These spacecraft returned images of regions of the planet that, while similar to g ...
The Eccentric Spin of Uranus
The Strange Spin of Uranus

Directional terms like north and south make sense here on Earth. The north and south axis of the Earth is relatively perpendicular to the plane of the Earth's orbit around the sun. Actually, Earth's a ...
The Apollo 11 lunar laser ranging retroreflector array.
An Old Science Experiment On The Moon

The most famous thing Neil Armstrong left on the moon 35 years ago is a footprint, a boot-shaped depression in the gray moondust. Millions of people have seen pictures of it, and one day, years from n ...

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