Rivolition
"Helios" means "Sun", while "centric" means... well, in this case, that the Sun is believed to be the center of the movement.
They revolve around the sun.
Planets revolve around the sun.
are all planet revolve around the sun
no, all the planets revolve AROUND the sun.
No it takes one full year for the Earth to revolve around the sun.
No sun doesn't revolve to any celestial body, but the celestial body revolve around the sun.
For the Earth, it takes 365 days to revolve around the Sun.
The revole around the sun
Earth revolves around Sun. Or Earth orbits around the Sun. It means that Earth goes around the Sun (circles around the Sun if you want although the trajectory is not exactly a circle but an ellipse).
The Sun does not revolve around itself; it rotates on its axis. It takes about 25 Earth days for the Sun to complete one rotation.
All planets revolve around the Sun.