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Earth's Atmosphere

The layers of gas that are gravitationally bound above the surface of our planet.



Earth February 10, 2016

Radio Programs

Bubble Trouble Low tide equals more bubbles May 23, 2021

Explosive Change The possible influence of exploding stars April 9, 2021

Twinkling Twinkle, twinkle, little star December 23, 2017

Quiet Sun Cosmic bombardment in tree rings April 5, 2017

Space Heading into space — wherever it may be January 5, 2017

Featured Images

Earthrise above the Moon, Apollo 8, December 24, 1968

Pale Blue Marble April 22, 2020

Lighting seen from the International Space Station

Colorful Lightning June 29, 2019

Moonrise July 5, 2018

Noctilucent clouds over the north pole

Glowing Skies July 29, 2017