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Astronomy final exam

Fifteen questions on all of Astronomy. Answer all 15 to see your score. Questions are drawn from a bank of 45, so every attempt is different.

0 of 15 answered

Question 1 of 15

The sky appears to rotate daily because:

Question 2 of 15

The altitude of the celestial pole equals the observer's:

Question 3 of 15

Seasons are caused by:

Question 4 of 15

A lunar eclipse occurs at:

Question 5 of 15

Copernicus proposed:

Question 6 of 15

Galileo's observation of Venus's full set of phases supported:

Question 7 of 15

Kepler's third law (years, AU) is:

Question 8 of 15

A planet at 9 AU has an orbital period of:

Question 9 of 15

Gravity between two masses, if distance triples, becomes:

Question 10 of 15

Astronauts float in orbit because they are:

Question 11 of 15

Einstein's general relativity describes gravity as:

Question 12 of 15

Which has the highest-energy photons?

Question 13 of 15

A light-year measures:

Question 14 of 15

A redshift indicates an object is:

Question 15 of 15

A telescope's light-gathering power depends on its:

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