SOLAR SYSTEM

Detailed explanation-1: -Halley’s comet visits the Earth after every 76 years. It was last seen in Earth’s sky in 1986. It will return in 2061 on its regular 76-year journey around the Sun.

Detailed explanation-2: -Halley’s Comet is arguably the most famous comet in history. As a “periodic” comet, it returns to Earth’s vicinity about every 75 years, making it possible for a person to see it twice in their lifetime. It was last here in 1986, and it is projected to return in 2061.

Detailed explanation-3: -The correct option is C Halley’s Halley’s comet is visible on earth once every years.

Detailed explanation-4: -Halley’s Comet is arguably the most famous comet. It is a “periodic” comet and returns to Earth’s vicinity about every 75 years, making it possible for a human to see it twice in his or her lifetime. The last time it was here was in 1986, and it is projected to return in 2061.

Detailed explanation-5: -Halley’s comet is the comet which was last seen in 1986 after a period of 76 years.

Detailed explanation-6: -In 2061, Halley passes perihelion, inferior conjunction (nearly between Earth and Sun), and closest approach to Earth, all on July 28-29. In its inclined orbit, the Comet will then be north of, or “above” the plane or Earth’s orbit and so will appear some 21° north of the Sun.