Space contains the planets, countless galaxies and milky ways. Man has been able to go to space and collect pictures of the sun, the planets and the moon. Man has landed on the moon and he is trying to find out the existence of life on other planets. Telecommunication, weather forecasting, radio and television programmes etc. are all monitored by satellites in space. There are also military stations and spy satellites in space which pose a threat of a nuclear war. This should be avoided and scientists should work for the benefit of mankind. Man is God's best creation. His intelligence and thirst for knowledge has led him to explore even the impossible. The exploration of space by man is an example of his thirst for knowledge and desire for adventure. This is also one of the greatest achievements of man. Space contains the whole universe including all the planets, the sun, the moon and the stars. The limit where the earth's atmosphere ends is called outer space.
The first man made satellite Sputnik-1 was sent into space by Russia in 1957.Yuri Gagarin of Russia in 1961, became the first man to go into space. He circled the earth in 108 minutes and returned safely. Later, in 1963, Valentina Tereshkova became the first women to go into space. She stayed in orbit for 5 days and returned safely to the earth. In 1969, Neil Armstrong and Edwin Aldrin of America became the first men to land on the moon. They reached the moon on board the spaceship Apollo-11 and spent 21 hours on its surface. They collected rock and soil samples and returned safely to the earth. As time went on, many successful attempts were undertaken. Rakesh Sharma was the first Indian to be sent to space. Uses of space Research
Satellites and spacecrafts have been launched for various purposes. The atmosphere in space is used for television programmes, radio broadcasts, telecommunication, etc. Satellites provide advanced...