ISBN: 9789386316585 Pages: 32 Size: 294 x 219 mm Weight: 200 gm.
About The Book
There are many nature satellites in the solar system. However, there were no artificals until the mid-20th century. What was the nameof the first artificial satellite sent to space? What prevents a satellite from falling out of control and crashing into the earth? What stops a satellite from colliding with another satellite in space?