Space
The smallest planet in our solar system (named after the Roman god of travelers!)
What is Mercury?
This protects Earth from harmful radiation from the sun
What is the ozone layer?
This soviet dog was the first to enter space and to orbit Earth!
Who is Laika?
A planet that orbits a star outside our solar system
What is an exoplanet?
The planet Mars has two moons that are named after the sons of the Roman war god Mars
What is Phobos and Deimos?