Mallory Overton

Latest Articles

What is the closest star to Earth that could support life?

What is the violent death of a star?

What is meant by the habitable zone?

Is iron made from dying stars?

How long will it take the rocket to get to Mars?

What discoveries did Opportunity make?

Why do astronomers use astronomical units AU instead of kilometers/km?

Is it common to see a comet?

What's the difference between astronaut & cosmonaut?

When was nuclear power first used in space?