How Earth looks from outer space – EarthSky

Astronomy Essentials If you were looking with the eye alone, how far away in space would our planet Earth still be visible? Here is Earth from 900 million miles away, from the vantage point of the rings of Saturn. Image via the Cassini spacecraft, which has been orbiting Saturn since 2004. This image was acquired … Continue reading How Earth looks from outer space – EarthSky

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