Celestial Objects -
The Objects which exist in the sky or in outer space , are called Celestial objects. It is also known as heavenly objects or bodies.
Examples - The stars, the planets, satellites like the moon, asteroids, comets and meteoroids.
STARS -
1. Stars are the celestial objects that are extremely hot and have light of their own.
2. Stars consists mostly of hydrogen gas.
3. The heat and light of stars is produced by the nuclear fusion reactions taking place inside them all the time. In these fusion reactions, hydrogen present inside the stars is converted into helium, with the release of a tremendous amount of heat and light.
Notes - Nuclear Fusion - Nuclear fusion is the combination of two or more atomic nuclei to form one or more different nuclei. In other words, it is a form of transmutation that changes one element into another.
The Objects which exist in the sky or in outer space , are called Celestial objects. It is also known as heavenly objects or bodies.
Examples - The stars, the planets, satellites like the moon, asteroids, comets and meteoroids.
STARS -
1. Stars are the celestial objects that are extremely hot and have light of their own.
2. Stars consists mostly of hydrogen gas.
3. The heat and light of stars is produced by the nuclear fusion reactions taking place inside them all the time. In these fusion reactions, hydrogen present inside the stars is converted into helium, with the release of a tremendous amount of heat and light.
Notes - Nuclear Fusion - Nuclear fusion is the combination of two or more atomic nuclei to form one or more different nuclei. In other words, it is a form of transmutation that changes one element into another.
0 Comments