The sun and the planets make up the ___________

The empty area outside Earth's atmosphere, where the planets and the stars are is called ____________

A ____________ need an atmosphere to support life.

Scientists do not agree. They __________ whether life was ever exist on Mars

You need two or more people to do this activity.

You can live and do research in this thing.

Scientists use SETI to ____________ for extraterrestrial intelligence.

A creature that lives on a planet that is not Earth is called ____________

Scientists have sent instruments to Jupiter to collect ____________

A big group of stars is know as ______________

Trip from one place to another place is called __________

You can see Mars in its ___________ around the sun.

You can have this profession and travel in space.

This vehicle carries people into space and back.