Outer Space

Front

What are celestial objects that orbit a star called?

Back

Planets

Front

What is a good hypothesis for why there is currently no life on Mars despite suitable conditions?

Back

The composition of the atmosphere is not suitable for life.

Front

Which of the following is NOT a reason why planets X and Y might support life?

Back

They are both smaller planets.

Front

Why is there currently no solid evidence that life exists on Mars?

Back

Mars has a minimal atmosphere.

Front

Why can't the water cycle function on Mars like it does on Earth?

Back

Because temperatures on Mars are too cold.

Front

What is the primary component of Mars' atmosphere?

Back

Carbon dioxide.

Front

What is the term for the process by which water vapor turns into liquid water?

Back

Condensation.

Front

What is the significance of the Goldilocks Zone?

Back

It is the region around a star where conditions are just right for liquid water to exist.

Front

What is the main reason Mars appears red?

Back

Iron oxide (rust) on its surface.

Front

What are moons?

Back

Natural satellites that orbit planets.