Satellites – There are also some celestial bodies, which revolve around the earth, they are called satellites or satellites (moon). So far we know about 365, the satellite of our solar family. In the coming future, scientists can also discover some more satellites. Planets like Mercury and Venus have no satellites, while some planets have more than one satellite. For example, 36 satellites are revolving around the planet Jupiter. Our Earth is also a satellite, which revolves around the Sun. The Earth also has a satellite that revolves around the Earth, which is called the Moon.
Artificial satellite
Man-made objects left in space are called artificial satellites. Stupnik-1 was the first man-made satellite. It was launched into space by the Soviet Union on 4 October 1957. A few months later, the United States also launched its first artificial satellite Explorer into space. After this, other countries also left their own satellites in space.
Satellite launched by india
India’s first satellite ‘Aryabhata’ was launched into space on 19 April 1975. This artificial satellite weighing 360 kg used to make 6 revolutions of the earth in a day. Since that time till date, India has made a lot of progress in this field. India has won Bhaskar, Apple Rohini, INSAT and IR. s. Many satellites have been launched in space.
Today India is one of the top 6 countries that have the facility of manufacturing and launching artificial satellites.
Applications to artificial satellites
Man-made artificial satellites revolve around our earth, and provide us with information about the upcoming weather. With the help of these, we can watch Doordarshan broadcasts in other countries from our own country.
Some other celestial bodies in space –
Comet धूमकेतु, उल्का तारा
Comets are a group of gases and dust particles. Which appears in the sky as a bright ball with a long tail. The tail of a comet always revolves around the Sun.
Meteors and Meteorites – What is a shooting star?
A comet named ‘Halley’ appears once in every 76 years. Last time it appeared in 1976. Another comet named ‘Temple Tuttle’ appeared on 17 November 1998, it appears every 32-33 years.
How did you like this information related to satellites and meteors and bodies, definitely tell us in the comment box. Questions related to our solar system, planets and satellites are asked in the examinations, which you must study.