About 7,000 years ago, a vast lake spread hundreds of square kilometers across north-central Africa. Known to scientists as Lake Mega Chad, it covered more than 400,000 square kilometers at […]
Mega Chad
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space
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Surface of the Sun
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This is the first image from the National Science Foundation’s Daniel K. Inouye Solar Telescope of the sun’s surface. Released 30 January 2020. This picture is showing the highest ever […]
Meteor shower from space
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Every January, bits of asteroid 2003 EH1 cross paths with Earth’s orbit to create a beautiful annual meteor shower: the Quadrantids. As the fragments collide with our atmosphere, they disintegrate […]
Sun
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Solar eruption
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Shock between two neutron stars
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Parthenon Moon
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CSIRO Parkes Radio Telescope
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The 64 m radio telescope at Parkes Observatory, New South Wales, Australia, as seen in 1969, when it received signals from the Apollo 11 Moon landing. This photo, taken in […]
Aurora, Tromsø, Norway
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Terkezi Oasis, Chad
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A series of rocky outcroppings are a prominent feature of this Sahara Desert landscape near the Terkezi Oasis in the country of Chad. This image was acquired by Landsat 7 on […]