…of the major planets possess natural satellites.
a) 5
b) 6
c) 7
d) 8
Explanation: Six of the major planets possess natural satellites often termed as moons.
Any object purposely placed into orbit of earth or other plants, stars or sun are termed as……. satellites.
a) artificial
b) natural
c) both a and b
d) none of these
First Artificial satellite was launched in………
a) 1967
b) 1987
c) 1997
d) 1957
Satellites are put into orbit with the help of……
a) Spaceships
b) robots
c) drones
d) rockets
Explanation: A satellite is put into orbit by moving it to high altitude and then accelerating it to a sufficiently high tangential speed with the use of rockets.
Satellites are typically put into ………or nearly ………….orbits.
a) Elliptical, oval
b) oval, linear
c) spherical, spherical
d) linear, elliptical
Explanation: Satellites are typically put into spherical or nearly spherical orbits because such orbits require at the least take off speed.
What keeps a satellite up?
a) its high speed
b) its low speed
c) its orbit
d) its path
