The Moon’s Phases

Sun

The view from Earth

I.Eclipses A. A solar eclipse only occurs at a _____________. B. A lunar eclipse only occurs at a ______________. C. The moon’s orbit is tilted ______ with respect to the plane of the Earth’s orbit (which also means that the moon’s orbit is tilted 5 o with respect to the ecliptic). D. Eclipses can only occur when the Moon crosses the _________. Otherwise, the Moon is not in line with the Earth and Sun. It is above or below the eclipse location.

I.Eclipses new moon A. A solar eclipse only occurs at a ___new moon___. B. A lunar eclipse only occurs at a ______________. C. The moon’s orbit is tilted ______ with respect to the plane of the Earth’s orbit (which also means that the moon’s orbit is tilted 5 o with respect to the ecliptic). D. Eclipses can only occur when the Moon crosses the _________. Otherwise, the Moon is not in line with the Earth and Sun. It is above or below the eclipse location.

I.Eclipses new moon A.A solar eclipse only occurs at a ___new moon___. full moon B.A lunar eclipse only occurs at a ___full moon____. C. The moon’s orbit is tilted ______ with respect to the plane of the Earth’s orbit (which also means that the moon’s orbit is tilted 5 o with respect to the ecliptic). D. Eclipses can only occur when the Moon crosses the _________. Otherwise, the Moon is not in line with the Earth and Sun. It is above or below the eclipse location.

I.Eclipses new moon A.A solar eclipse only occurs at a ___new moon___. full moon B.A lunar eclipse only occurs at a ___full moon____. 5 o C.The moon’s orbit is tilted __5 o ___ with respect to the plane of the Earth’s orbit (which also means that the moon’s orbit is tilted 5 o with respect to the ecliptic). D. Eclipses can only occur when the Moon crosses the _________. Otherwise, the Moon is not in line with the Earth and Sun. It is above or below the eclipse location.

I.Eclipses new moon A.A solar eclipse only occurs at a ___new moon___. full moon B.A lunar eclipse only occurs at a ___full moon____. 5 o C.The moon’s orbit is tilted __5 o ___ with respect to the plane of the Earth’s orbit (which also means that the moon’s orbit is tilted 5 o with respect to the ecliptic). ecliptic D. Eclipses can only occur when the Moon crosses the __ecliptic__. Otherwise, the Moon is not in line with the Earth and Sun. It is above or below the eclipse location.

Sun Solar Eclipse Lunar Eclipse

II. Lunar vs. Sidereal Month A. Lunar Month 1. The time is takes to go from one full moon to another. 2. ______ days B. Sidereal Month 1. The time is takes for the Moon to travel 360 o degrees in orbit around the Earth. 2. ________ days

II. Lunar vs. Sidereal Month A. Lunar Month 1. The time is takes to go from one full moon to another __29.5_ days B. Sidereal Month 1. The time is takes for the Moon to travel 360 o degrees in orbit around the Earth. 2. ________ days (or from one new moon to the next)

II. Lunar vs. Sidereal Month A. Lunar Month 1. The time is takes to go from one full moon to another __29.5_ days B. Sidereal Month 360 o degrees 1. The time is takes for the Moon to travel 360 o degrees in orbit around the Earth __27.3__ days

Sun 27.3 days 2.2 days 27.3 days

Sun 27.3 days 2.2 days 27.3 days

Sun 27.3 days 2.2 days 27.3 days