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Early Earth

author: Nasa/GSFC/Novapix

reference: t-glb91-01008

Image Size 300 DPI: 48 * 18 cm

This is an artist's concept of the young Earth being bombarded by asteroids. Scientists think these impacts could have delivered significant amounts of organic matter and water to Earth.

Keywords for this photo:

ASTEROID - ATMOSPHERE - EARTH - ERUPTION - HISTORY OF EARTH - ILLUSTRATION - IMPACT - LAVA - PLANET - PRECAMBRIAN - PRIMITIVE EARTH - TEMPERATURE - VOLCANO -