SOLAR SYSTEM

Detailed explanation-1: -Asteroids are space rocks that have existed since the formation of the planets over 4.6 billion years ago. Scientists believe that asteroids are pieces of rock that were never swept up into planets. Like the planets, asteroids are kept in orbit by the gravity of the Sun.

Detailed explanation-2: -Asteroids are diverse in composition; some are metallic while others are rich in carbon, giving them a coal-black color. They can be “rubble piles, ‘’ loosely held together by their own gravity, or they can be solid rocks. Most of the asteroids in our solar system reside in a region called the main asteroid belt.

Detailed explanation-3: -An asteroid is a small rocky object that orbits the Sun. A meteor is what happens when a small piece of an asteroid or comet, called a meteoroid, burns up upon entering Earth’s atmosphere.

Detailed explanation-4: -Comets and asteroids have a lot in common. Both orbit the sun. Both are far smaller than the planets. Both are remnants of the solar system’s formation almost 5 billion years ago.

Detailed explanation-5: -Meteorites are rocks, but they are not like Earth rocks. Most are far older, and they provide some of the only samples we have of other worlds – other planets, asteroids and possibly comets – in our solar system. Some meteorites even contain tiny particles that formed around other stars that existed before our Sun.

Detailed explanation-6: -Meteoroids are lumps of rock or iron that orbit the sun, just as planets, asteroids, and comets do. Meteoroids, especially the tiny particles called micrometeoroids, are extremely common throughout the solar system.