How long does it take to the Earth to orbit the sun?
approximately 365 days
the star at the centre of our solar system
the Sun
The gravitationally bound systems of a star and the objects that orbit it. Solar systems orbit around their galaxies just as planets orbit around their suns
Solar System
The oval-shaped path with which objects orbit the sun. Some objects, such as comets, have a more elliptical orbit than others.
elliptical
What is the duration of 1 complete rotation of the Earth on its axis?
24 hours
the process of growth or increase by the gradual accumulation of matter
accretion
A mass that orbits the sun but does not have a gravitational field strong enough to pull in all nearby objects
Minor planet
What is the speed of light?
3 x 10'8 m/s
An object made of dust and ice that orbits the Sun in a highly elliptical orbit, which often reaches beyond the solar system
a comet
A small rocky object in the asteroid belt between Mars and Jupiter, which orbits the sun.
asteroid
objects sent into a planet’s orbit by mankind (such as the international space station
Artificial Satellite
Is the rotation of the Earth clockwise or anticlockwise?
anticlockwise