MySci Unit 23: Stars and Constellations

Front

What is one completed cycle of an object around another object called?

Back

Revolution

Front

What does a star produce?

Back

Heat and light

Front

What does the luminosity of a star describe?

Back

Brightness

Front

How long does it take for Earth to make one rotation?

Back

24 hours

Front

Over what time period can you see all the constellations as the Earth rotates and revolves?

Back

A year

Front

What is the term for the path an object takes as it revolves around another object?

Back

Orbit

Front

What is the name of the closest star to Earth?

Back

Proxima Centauri

Front

What is a group of stars forming a recognizable pattern called?

Back

Constellation

Front

What is the term for the spinning motion of an object around its own axis?

Back

Rotation

Front

What is the main component of stars?

Back

Hot gas, primarily hydrogen and helium