- A. 24 years
- B. 36 years
- C. 76 years
- D. 88 years
The Correct Answer is: C
Explanation
Halley’s Comet is a fascinating visitor to our skies, gracing us with its presence roughly every 76 years. This isn’t an exact figure, though. The actual period can range between 74 and 79 years because the comet’s path is influenced by the gravity of other planets in our solar system.
Halley’s Comet is classified as a short-period comet. This means, unlike some comets with orbits that take millions of years, Halley’s completes a trip around the Sun in a relatively short timeframe. This characteristic allows it to be seen by humans multiple times within a lifetime. It’s the only known short-period comet that’s bright enough to be visible with the naked eye.
The comet itself is a giant ball of ice and dust. As it gets closer to the Sun, the ice begins to vaporize, creating a glowing head (coma) and a long tail made of dust and gas particles pushed away from the Sun by the solar wind. This tail is what gives comets their characteristic appearance.
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