Solar system consists of the sun and group of planets revolves around it
False
True
Earth revolves around the sun in a .......... speed
very high
slow
very slow
Gravity is the invisible attraction or pulling force that holds all the planets in their places.
The shape of the object is affected by air resistance
The ......... is the only center of motion in the solar system.
moon
Earth
sun
The great gravitational pulling force of the......... keeps the planets revolving in fixed orbits
In solar system each planet revolves around the sun a fixed path called ............
line
plane
orbit
Nicolaus Copernicus is a scientist states that the earth revolves around the ...... .
stars
The orbit of each planet has an ............ shape.
circular
ellipse (oval)
If there were no gravity, the planets would fly off into space.