Front

How many stars are there in a galaxy?

Back

Billions

Front

The sun is considered the only ____ in our solar system.

Back

star

Front

What is the largest planet in our solar system?

Back

Jupiter

Front

What is the name of our galaxy?

Back

Milky Way

Front

What are the four terrestrial planets in our solar system?

Back

Mercury, Venus, Earth, Mars

Front

What is the main source of energy for the Earth?

Back

The Sun

Front

What is a comet?

Back

A small icy body that, when passing close to the Sun, heats up and begins to release gases, forming a glowing coma and sometimes a tail.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.

Front

What is the term for the path a planet takes around the Sun?

Back

Orbit

Front

What are the gas giants in our solar system?

Back

Jupiter, Saturn, Uranus, Neptune