10 Questions
All slowly turn on their axes the same way.few of the dots in the night sky do appear to change position.These are other planets in orbit around the ______.
Sun
The nebula is so far away that its light takes 7000 years to reach the Earth.The Moon orbits the Earth, and the Earth orbits the ______.
Sun
The Earth takes just over 365 days to complete one ______.
orbit
The Moon is smaller than the Earth (about a quarter of the diameter) and 380000 km away.It has a rocky surface with lots of ______.
craters
The Earth moves round the ______ in a path called an orbit.
Sun
The Sun is a huge, hot, glowing ball of gas known as a ______.
star
Most of the points of light in the sky are ______.
stars
It takes about 28 days for each orbit.It also takes the same time to turn once on its axis, so the Moon always keeps the same face toward ______.
us
As the Earth slowly turns on its axis, one half is in sunlight while the other half is in ______.
shadow
The Earth rotates about a line called its ______.
axis
Test your knowledge on Earth's orbit around the Sun and its rotation. Learn about the Earth's movement in space and its yearly cycle. Explore facts about the Sun, Earth, Moon, and stars.
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