Halley's Comet Is About to Return From the Outer Solar System
Halley's Comet Is About to Return From the Outer Solar System
After nearly 40 years, Halley's comet will once again reach its furthest point from the Sun and begin its return journey back toward Earth. 'The Byte' reports that the comet will reach its "aphelion" on December 9, which represents the middle point of ...
Microsoft News2023年12月13日
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Halley's Comet Is About to Return From the Outer Solar System
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SOLVED: Halley's comet spends most of its orbit around the Sun very far away from the Sun; but roughly once every 75 years, it comes close and is visible to the naked eye (the next appearance is predicted to be in July of 2061). At Aphelion (farthest point from the sun), the comet is 5.25 x 10^42 m from the Sun and moving at 910 m/s in a direction perpendicular to the direction toward the Sun. At Perihelion, it is only 8.77 x 10^10 m from the Sun. Use conservation of angular momentum to find its
SOLVED: Halley's comet spends most of its orbit around the Sun very far away from the Sun; but roughly once every 75 years, it comes close and is visible to the naked eye (the next appearance is predicted to be in July of 2061). At Aphelion (farthest point from the sun), the comet is 5.25 x 10^42 m from the Sun and moving at 910 m/s in a direction perpendicular to the direction toward the Sun. At Perihelion, it is only 8.77 x 10^10 m from the Sun. Use conservation of angular momentum to find its
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