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Challenging your brain with printable word searches is fun all year long, but these holiday word searches are sure to get you in the spirit and help you celebrate. You can print out these free ...
The Doomsday Clock is a symbol that represents the estimated likelihood of a human-made global catastrophe, in the opinion of the members of the Bulletin of the Atomic Scientists. [1]
The V-2 No. 13 [1] was a modified V-2 rocket that became the first object to take a photograph of the Earth from outer space. [ 2 ] [ 3 ] Launched on 24 October 1946, [ 4 ] at the White Sands Missile Range in White Sands, New Mexico , the rocket reached a maximum altitude of 65 miles (105 km).
The inner Van Allen Belt extends typically from an altitude of 0.2 to 2 Earth radii (L values of 1.2 to 3) or 1,000 km (620 mi) to 12,000 km (7,500 mi) above the Earth. [ 4 ] [ 20 ] In certain cases, when solar activity is stronger or in geographical areas such as the South Atlantic Anomaly , the inner boundary may decline to roughly 200 km ...
Russia, the United States and China have all built new facilities and dug new tunnels at their nuclear test sites in recent years, satellite images obtained exclusively by CNN show, at a time when ...
The collage includes some 1,600 photos taken by members of the public on The Day the Earth Smiled. The Day the Earth Smiled is a composite photograph taken by the NASA spacecraft Cassini on July 19, 2013. During an eclipse of the Sun, the spacecraft turned to image Saturn and most of its visible ring system, as well as Earth and the Moon as ...
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A network of pro-nuclear physicists, software developers, and environmental activists drew inspiration from the original anti-nuclear logo, but viewed nuclear power as part of a sustainable and environmentally-friendly energy option into the 21st century, and devised a similar image—with a pro-nuclear connotation—as part of an ongoing ...