Research Questions for Astronomy

Where does space begin?

Is the Earth at the center of the Universe?

How big is the Universe?

What is a light-year?

What are the names of the Planets?

Who are the planets named after?

What is the difference between a planet and a moon?

What is the Solar System?

What is the difference between a planet and a star?

What is an orbit?

Which planet turns so slowly that one day lasts two years?

Which hot planet could melt lead?

Which planets have rings?

What is the Red Planet?

Which planet spins the fastest?

Which planet could float on water?

Do all planets move in the same direction?

What is a meteor?

What is the difference between a meteor, a meteoroid and a meteorite?

What is a comet?

Where are astroids found?

How big is the sun?

What is the sun made of?

Does the sun move?

How hot is the sun?

What happens during a solar eclipse?

How big is the moon?

How high could you jump on the moon?

Which is the brightest star?

What is a supernova?

Why do stars twinkle?

What are constellations?

What is the Milky Way?

What is a galaxy?

What is a quasar?

How big is the Earth?

What is it like inside the Earth?