Satellites Capture Rare Solar Eclipses

This is a news story, published by Live Science, that relates primarily to The European Space Agency's news.

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Total solar eclipses

Live Science

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Science

Behold! 1st images of artificial solar eclipse captured by ESA's Proba-3 mission

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The European Space Agency's Proba-3 mission has sent back its first images of the sun's corona.

The mission is the first to see two satellites orbit in a "precision formation," with one acting as the moon to eclipse the sun in front of the other.

Images will help solar physicists see features in the corona that are sometimes visible to observers of total solar eclipses.

Proba-3 satellites have an elliptical orbit with a perigee of 373 miles ( 600 kilometers ) and an apogee of 37,000 miles ( 60,000 kilometers ) They only fly in formation when close to apoge because that's when Earth 's gravity, its magnetic field and atmospheric drag are at their weakest.

Each complete image is constructed from three images.

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