Exam 3: Moon Phases and Eclipses

At what point is the Moon farthest away from Earth?

What are three common misconceptions about the Moon and how would you provide the correct explanation for those misconceptions?

A "larger" Moon on the horizon is an optical illusion.

If eclipses occur in repeatable patterns, then explain why an eclipse is not visible from the same place on Earth after one Saros cycle.

The angular diameters of the Moon and Sun vary slightly because the orbits of the Moon and Earth are slightly elliptical.

The sidereal period is _______________ days long, the time it takes the Moon to circle the sky once and return to the same position relative to the stars.

What does a waxing gibbous moon mean?

What are the two parts of a shadow during an eclipse?

Eclipses can occur only when, viewed from Earth, the Sun is near one of the _______________. of the Moon's orbit.

What astronomical period takes 18 years 11 1/3 days to complete?

The _______________ formula expresses the relationship of the linear (true) diameter, the angular (apparent) diameter, and the distance, of any object.

What happens during a partial lunar eclipse?

What produces the lunar phases?

What gives the Moon a coppery glow during a total eclipse?

What is the safest way or method to observe a solar eclipse?

Eclipses can occur only when, viewed from Earth, the Sun is near one of the ____ of the Moon's orbit.

What unit would best describe the linear diameter of a planetary body?

The ____ of the Moon and Sun vary slightly because the orbits of the Moon and Earth are slightly elliptical.

What creates a total lunar eclipse?

Because the _______________ of the Moon and the Sun vary slightly, the disk of the Moon is sometimes too small to cover the disk of the Sun.