UNIVERSE
SOLAR STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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planet
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comet
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asteroid
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orbit
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Detailed explanation-1: -Comets are cosmic snowballs of frozen gases, rock, and dust that orbit the Sun.
Detailed explanation-2: -Comets are sorted into four categories: periodic comets (e.g. Halley’s Comet), non-periodic comets (e.g. Comet Hale–Bopp), comets with no meaningful orbit (the Great Comet of 1106), and lost comets (5D/Brorsen), displayed as either P (periodic), C (non-periodic), X (no orbit), and D (lost).
Detailed explanation-3: -Planets, dwarf planets, asteroids, and comets orbit the Sun. These objects do not emit light.
Detailed explanation-4: -Scientists sometimes call comets dirty snowballs or snowy dirtballs, depending on whether they contain more ice material or rocky debris according to NASA. Related: How to view and photograph comets.
Detailed explanation-5: -"Revolution” refers the object’s orbital motion around another object. For example, Earth rotates on its own axis, producing the 24-hour day. Earth revolves about the Sun, producing the 365-day year. A satellite revolves around a planet.