SOLAR SYSTEM

Detailed explanation-1: -Comets revolve around the Sun in highly elliptical orbits and their period of revolution is very long. A comet appears as a bright head with a long tail. A comet’s tail grows in size as it approaches the Sun, and it always points away from the Sun.

Detailed explanation-2: -Gases escaping from the comet are ionized by the ultraviolet photons from the Sun. Once they are ionized, the solar wind carries them straight outward away from the Sun. These gases form the plasma tail.

Detailed explanation-3: -Comets are small celestial bodies that have highly eccentric orbits around our Sun, meaning that their orbital paths take them close past the Sun, and then hurl them out deep into the Solar System, beyond Neptune’s orbit. This means that the amount of light that they receive from the Sun varies considerably.

Detailed explanation-4: -A comet is a celestial object that revolves around the Sun like a planet.