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