Image of the Day

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Image of the Day

A Beehive of Satellites

Satellites encircling the Earth

The launch of the first artificial satellite by the then Soviet Union in 1957 marked the beginning of the utilization of space for science and commercial activity. During the Cold War, space was a pri...

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World's Largest Vacuum Chamber

Space Power Facility

The Space Power Facility at NASA Glenn Research Center's Plum Brook Station in Sandusky, Ohio, houses the world's largest vacuum chamber. It measures 100 feet in diameter and is a towering 122 feet ta...

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Flare

Gamma-ray flares from SGR J1550-5418

Gamma-ray flares from SGR J1550-5418 may have arisen when the magnetar's surface suddenly cracked, releasing energy stored within its powerful magnetic field. A magnetar is a neutron star with a super...

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