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	Image Gallery Send to a friend  Enlarge image Keywords Earth  Apollo Project  Biology  Weather and Atmospheric Phenomena  Earth's Atmosphere  Astronomy Gift Shop 2010 Sky Almanac Pentax 10x50 binoculars McDonald Observatory logo cap Earth    Clouds swirl over Africa and the Antarctic in this photo snapped by Apollo 17 astronauts during their trip to the Moon. Earth is a warm, wet planet with an oxygen-rich atmosphere -- the solar system's most pleasant home for life. Show all images about: All Categories Earth, Moon and the Sun The Solar System Space Probes & Human Exploration Stars & Nebulae Astronomers & Observatories Galaxies & Cosmology Stargazing & Star Lore
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