Satellites.Satellites. Satellites.. Satellite - is an object, which has been placed into orbit by human endeavor. Satellite - is an object, which has. - презентация

1 Satellites.Satellites. Satellites.

2 Satellite - is an object, which has been placed into orbit by human endeavor. Satellite - is an object, which has been placed into orbit by human endeavor.

3 Satellites: Natural Natural Artificial Artificial

4 Natural satellites: The Moon. The Moon. The Phobos and the Deimos. The Phobos and the Deimos.

5 Artificial satellites. Sputnik 1. Sputnik 1. Explorer 1 Explorer 1

6 The first artificial satellite was Sputnik 1. It was launched by the Soviet Union on the 4th of October 1957.

7 A few hundred satellites and thousand of unused satellites are orbiting the Earth.

8 Purposes: Military observation Military observation Communication Communication Navigation Navigation Weather forecast Weather forecast Researches Researches