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3 ore fa · An interstellar probe could help scientists answer fundamental questions about how the Sun influences Earth, space and other planets in the solar system.
15 ore fa · Jet Propulsion Laboratory scientists used the plasma wave experiments aboard Voyager 1 and 2 to look for the heliopause, the boundary at which the solar wind transitions into the interstellar medium. As of 2013 [update] , the probe was moving with a relative velocity to the Sun of about 61,197 kilometres per hour (38,026 mph). [52]
15 ore fa · To prepare, NASA asked for input from more than 1,000 scientists on a mission concept. The initial report recommended the probe travel on a trajectory that is about 45 degrees away from the heliosphere's nose direction. This trajectory would retrace part of Voyager's path, while reaching some new regions of space.
15 ore fa · Mercury is the first planet from the Sun and the smallest in the Solar System. In English, it is named after the ancient Roman god Mercurius ( Mercury ), god of commerce and communication, and the messenger of the gods. Mercury is classified as a terrestrial planet, with roughly the same surface gravity as Mars.
15 ore fa · Operation Pluto (1961) — plan to invade Cuba and overthrow its government using a CIA-trained force of Cuban exiles. Mongoose (1962) — plan for information gathering, sabotage, civil insurrection and overthrow of the Cuban government. Phibriglex (1962) — US plan and mock invasion by its armed forces of a Caribbean island.
15 ore fa · The heliosphere is so large that objects in the Kuiper Belt orbit closer to the Sun than to the closest boundary of the heliosphere. Heliosphere protection As distant stars explode, they expel large amounts of radiation into interstellar space in the form of highly energized particles known as cosmic rays .
