Exam 2: Users Guide to the Sky: Patterns and Cycles

A total lunar eclipse is visible only from the path of totality.

What causes the precession of Earth's rotation axis?

Which of the following best describes Ursa Major (the Great Bear)?

What is the Saros cycle?

If the north celestial pole appears on your horizon, what is your latitude?

The Moon has an angular diameter of 0.5°. What is the Moon's angular diameter in minutes of arc?

A total solar eclipse will be visible from the same location on Earth one Saros cycle later.

In what two seasons does the Milky Way arc from east to west in the sky, as seen from Canada?

An observer in the southern hemisphere takes a time exposure photograph of the night sky. If the illustration depicts the photograph taken by the observer, which direction was the camera pointing?

What do stars in the same constellation have in common?

Navigators can find their latitude in the northern hemisphere by measuring the angle from the northern horizon to the north celestial pole.

What is the term for the period of time it takes for the Moon to complete a cycle of the lunar phases that is approximately 29.5 days long?

The Moon's umbral shadow usually does not produce a total solar eclipse. Why not?

What is the term for the point on the celestial sphere directly above an observer, no matter where on the Earth the observer is located?

______________ is the point in the Earth's orbit when the Earth is closest to the Sun.

What is the term for the point in the Earth's orbit where the Earth is closest to the Sun?

Where is a total lunar eclipse visible?

During an annular eclipse of the Sun, the corona of the Sun is visible.

When does the first quarter Moon rise?

An observer in the southern hemisphere takes a time exposure photograph of the night sky. If the illustration depicts the photograph taken by the observer, which direction was the camera pointing?