Our World In Space

Earth ______ around the Sun.

The four inner planets are made out of _______.

The planets make up what we call our _________

Most of the lights in the night sky are _____.

The closest star to Earth is _____

Even though Mercury is closest to the sun, ________ is much hotter!

The Sun gives Earth light and ______

The Moon _________.

The four outer planets are made out of ________.

There are ____ planets in our solar system.