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2 giorni fa · Wernher Magnus Maximilian Freiherr von Braun ( US: / ˌvɜːrnər vɒn ˈbraʊn / VUR-nər von BROWN, German: [ˌvɛʁnheːɐ̯ fɔn ˈbʁaʊ̯n]; 23 March 1912 – 16 June 1977) was a German-American aerospace engineer [3] and space architect. He was a member of the Nazi Party and Allgemeine SS, the leading figure in the development of rocket ...
3 giorni fa · Astronomy Picture of the Day. Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Explanation: Dark markings and bright nebulae in this telescopic southern sky view are telltale signs of young stars and active star formation .
1 giorno fa · NASA's Fermi Gamma-ray Space Telescope launched in 2008 will continue the search for these flashes. If black holes evaporate via Hawking radiation, a solar mass black hole will evaporate (beginning once the temperature of the cosmic microwave background drops below that of the black hole) over a period of 10 64 years.
12 ore fa · Space-based solar power essentially consists of three elements: [2] collecting solar energy in space with reflectors or inflatable mirrors onto solar cells or heaters for thermal systems. wireless power transmission to Earth via microwave or laser. receiving power on Earth via a rectenna, a microwave antenna.
4 giorni fa · Explore planets, their moons, asteroids, comets and the spacecraft exploring them. In this interactive, you can also fast-forward or rewind time, from 1950 to 2050.
1 giorno fa · It is the smallest planet in the Solar System, with an equatorial radius of 2,439.7 kilometres (1,516.0 mi). [4] Mercury is also smaller —albeit more massive—than the largest natural satellites in the Solar System, Ganymede and Titan. Mercury consists of approximately 70% metallic and 30% silicate material.
4 giorni fa · NASA leadership and Boeing officials discuss flight test readiness, objectives, and priorities ahead of the Starliner spacecraft's first crewed flight to the International Space Station. The flight test will transport Wilmore and Williams to the orbiting laboratory for a planned stay of up to two weeks. Watch Now.
