Here's some big news about our home planet - our atmosphere stretches way out beyond the Moon's orbit!
|Not to scale depiction of Earth's atmosphere|
Apollo 16 astronauts Shepard and Mitchell photographed this region of the Earth's atmosphere called the Geocorona using the first telescope on the Moon. The picture was taken in ultraviolet light.
|The Earth and its hydrogen envelope, or geocorona, as seen from the Moon. This ultraviolet picture was taken in 1972 with a camera operated by Apollo 16 astronauts on the Moon.|
This really shows the power of going back over archived data to make new discoveries.
Sky Guy in VA