Exploring Mars

A scientist who studies the stars and other objects in the sky

• astronomer

• weatherman

• astrologist

• extraterrestrial

man-made passage that water flows through

• river

• canal

• ocean

• laboratory

creatures from space or other planets

• canals

• extraterrestrials

• astronauts

• astronomers

something that looks real but is not real

• illusion

• extraterrestrial

• mesa

• formation

a hill that is flat on top

• table

• mesa

• laboratory

• canal

a curved path around a planet, star, or moon

• swirl

• canal

• orbit

• martian

a measure of how clear or sharp an image is

• astronomer

• resolution

• artifact

• mesa

a small animal with sharp teeth

• rodent

• giraffe

• mammal

• martian

a machine for exploring other planets

• orbit

• rover

• martian

• spacecraft

a device for looking at things that are very far away

• martian

• rover

• telescope

• glasses