What is… an eclipse?

What is a lunar eclipse? What is a solar eclipse? This short video explains the difference between these regularly occurring events that can be observed from Earth.

The video uses a mix of ground- and space-based imagery of eclipses, including footage from the International Space Station, ESA’s Proba-2 satellite and the Japanese-led Hinode satellite.

Remember: never look directly at the Sun, even when partially eclipsed, without proper eye protection such as special solar eclipse glasses, or you risk permanent eye damage.

Credits: ESA, ESA/CESAR (graphics, ground-based observations), NASA’s Scientific Visualization Studio (partial lunar eclipse sequence) ESA/NASA (ISS footage), ESA/Royal Observatory of Belgium (Proba-2 footage), NASA/Hinode/XRT (Hinode image).

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