Category: Found on the Internet
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Sixty years ago, Sputnik became the first satellite in space and changed the world forever. Launched by the Soviet Union on Oct. 4, 1957, this shiny orb kick-started the space race, and opened up the heavens for mankind to explore.
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Did you know coral reefs pump more than $3.4 billion into the U.S. economy annually? Learn how healthy coral reef ecosystems do everything from supporting millions of jobs to protecting lives and coastal infrastructure--like hotels, roads and bridges.
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Gravity’s pull is being used to help propel a small spacecraft known as OSIRIS-REx to a near-Earth asteroid called Bennu.
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Where does the solar system end? It all depends on the criteria you are using.
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This animation of NOAA's GOES East satellite imagery from Sept. 5 at 7:45 a.m. EDT (1145 UTC) to Sept. 8 ending at 7:45 a.m. EDT (1145 UTC) shows Category 4 Hurricane Irma approach the Bahamas, followed by Hurricane Jose approaching the Leeward Islands. Hurricane Katia continues to spin in the southwestern Gulf of Mexico.
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The European Space Operations Centre, ESOC, in Darmstadt, Germany, has served as Europe’s gateway to space for half a century. In 2017, the centre is celebrating its 50th anniversary, highlighting a rich history of achievement in space.
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This animation of NOAA's GOES East satellite imagery from 9:15 a.m. CDT, Aug. 26, 2017, to 9:30 a.m. CDT, Aug. 28, 2017, shows Hurricane Harvey transitioning to a tropical storm at 1 p.m. CDT on Aug. 26, 2017, and slowly emerging in the Gulf of Mexico on Aug. 28.
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The moon's shadow (umbra) crossed the continental United States on Aug. 21, 2017 and NASA's DSCOVR satellite's Earth Polychromatic Imaging Camera (EPIC) captured imagery.
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It is never safe to look directly at the sun's rays - even if the sun is partly obscured. When watching a partial eclipse you must wear eclipse glasses at all times if you want to face the sun, or use an alternate indirect method. This also applies during a total eclipse up until the time when the sun is completely and totally blocked.