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Recent News
May 7, 2024, 1:54 AM ET (Live Science)
Japan captures 1st image of space debris from orbit, and it's spookily stunning
Apr. 29, 2024, 6:06 AM ET (The Hindu)
More space objects were placed in orbit in 2023 compared to 2022
orbit, in astronomy, path of a body revolving around an attracting centre of mass, as a planet around the Sun or a satellite around a planet. In the 17th century, Johannes Kepler and Isaac Newton discovered the basic physical laws governing orbits; in the 20th century, Albert Einstein’s general theory of relativity supplied a more exact description. The orbit of a planet is, if unaffected by the attraction of another planet, elliptical; some elliptical orbits are very nearly circles, while others are much elongated. Some bodies may follow parabolic or hyperbolic paths (open-ended curves). The orbit of a body approaching ...(100 of 577 words)