Discussion :: Universe
- Comets are celestial bodies moving about the solar system in
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A.
Elliptical or hyperbolic orbits, usually accompanied by a shining tail |
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B.
Elliptical orbits usually accompanied by a long shining tail |
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C.
Hyperbolic orbit always accompanied by a shining head |
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D.
Hyperbolic orbit without projecting any tail or head |
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Answer : Option B
Explanation :
Comets are celestial bodies moving about the solar system in Elliptical orbits usually accompanied by a long shining tail. A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail. These phenomena are due to the effects of solar radiation and the solar wind acting upon the nucleus of the comet.
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