Chapter 21 Test- Origins of Modern Astronomy

Front

What is the phase of the moon when it is fully darkened?

Back

New Moon

Front

Who was Hipparchus and what is he best known for?

Back

Hipparchus was an ancient Greek astronomer best known for his Star catalog.

Front

What is the name of the moon phase that comes after the Waning Gibbous?

Back

Third Quarter

Front

What is the term for the force that gravity exerts on an object?

Back

Weight

Front

What is the first phase of the moon?

Back

New Moon

Front

What is the phase of the moon when it is more than half illuminated but not fully?

Back

Waxing Gibbous

Front

What is the term for the moon phase that occurs just before the New Moon?

Back

Waning Crescent

Front

What is the name of the phase when the moon is fully illuminated?

Back

Full Moon

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is the significance of Hipparchus's Star catalog?

Back

It was one of the first comprehensive star catalogs and laid the groundwork for future astronomical studies.