Solar eclipse

:Solar Eclipse is also an alien friend of the rubber doll Betty Spaghetty.

Solar eclipses by artificial satellites

Artificial satellites can also get in the line between Earth and Sun. But none are large enough to cause an eclipse. At the altitude of the International Space Station, for example, an object would need to be about 3.35 km across to blot the Sun out entirely. This means the best you can get is a satellite transit, but these events are difficult to watch, because the zone of visibility is very small. The satellite passes over the face of the Sun in about a second, typically. Like a transit of a planet it will not get dark. http://eclipse.astronomie.info/transit/venus/isstransit/isstransit.html

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