Earth`s atmosphere stretches out to the moon - and beyond
(PHYSorg.com Space & Earth)

The gaseous layer that wraps around Earth reaches up to 630,000 kilometers away, or 50 times the diameter of our planet, according to a new study based on observations by the ESA/NASA Solar and Heliospheric Observatory, SOHO, and published in AGU`s Journal of Geophysical Research: Space Physics.