Satellites Around the Earth

Q. Why don't satellites crash into each other?

1. The orbit in which they revolve is too big, and thus it's rare that the satellite can crash.
2. The researchers launch satellites at different times.
3. The orbit of each satellite is defined with precise calculations by space researchers.
4. If two satellites come closer, the researchers change their path.

Q. How many natural satellites are revolving around the Earth?

1. 1

Q. How many satellites are currently orbiting in space?

1. 2700
2. 3500
3. 5200
4. 4900

Q. What is the path in which the Earth constantly revolves around the sun called?

1. Ellipse
2. Circle
3. Triangle
4. Orbit

Q. How many natural satellites does the Earth have?

1. None
2. One
3. Two
4. Twelve

Q. Dish in television set receives signals from a satellite moving far above in space.

1. True
2. False