UNIVERSE
METEOROIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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planet
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meteoroid
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asteroid
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comet
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Detailed explanation-1: -Halley is the only known short-period comet that is regularly visible to the naked eye from Earth, and thus the only naked-eye comet that can appear twice in a human lifetime. It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061. 0.2–1.5 g/cm3 (est.)
Detailed explanation-2: -Comet Halley (1P/Halley) is currently in the constellation of Hydra.
Detailed explanation-3: -The famous comet named for astronomer Edmond Halley only passes by the Earth roughly once every 76 years, but its appearances have often played a surprising role in historical events.
Detailed explanation-4: -On March 13-14, 1986 it got to within 373 miles/600 km of Comet Halley and spotted the comet’s nucleus and jets of gas and dust as its flew through its tail, detecting complex organics in its coma-the gas around its nucleus.