Our Universe
The universe is vast. The solar system forms a very small part of the universe. Our earth is one of the eight planets of the solar system. Yuri Gagarin was the first man to go into space. Valentina Tereshkova was the first woman to go into space. Rakesh Sharma was the first Indian man and later Kalpana Chawla became the first Indian woman to go into space.
Solar System
Moon
As the earth moves around the sun, it is accompanied by the moon. Even though the moon is earth's nearest neighbour in space, it is 3,84,400 km away from the earth’s The moon is 4500 million years old, the same age as the earth. The moon is called the earth's natural satellite because
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