Semester 1 Astronomy Final

Front

What is Kepler's 3rd Law?

Back

A planet's orbital period is proportional to the size of its orbit.

Front

What color of star is the hottest?

Back

Blue.

Front

What is the name of the explosion at the death of a very massive star?

Back

Supernova.

Front

What happens to a planet with a very eccentric orbit?

Back

It will experience very extreme temperature changes.

Front

What is a small, hot star near the end of its life called?

Back

White dwarf.

Front

What is the main component of stars?

Back

Hydrogen.

Front

What is the process by which stars generate energy?

Back

Nuclear fusion.

Front

What is a black hole?

Back

A region of space where the gravitational pull is so strong that nothing, not even light, can escape.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates energy through nuclear fusion.

Front

What is the significance of the Hertzsprung-Russell diagram?

Back

It classifies stars based on their luminosity and temperature.