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Peridot - An amazing fact about Peridot is that it is also a gemstone from outer space! It has been found in meteors that have fallen to earth from deep space. It has also been found (in its basic form called olivine) on Mars and the Moon!
An old lava crater in Mauritania
The Earth as You've Never Seen it Before: Atmosphere, Airglow and Aurora
Pelicans and Flying Rays (Narrated by David Tennant) - Earthflight - BBC One
Ah! I just discovered this about rays two days ago! I'm so surprised I stumbled across someone who has them posted on Pinterest, too! I love that it's such high resolution. *Repinned!*