A lunar eclipse occurs when the Moon passes directly behind the Earth, preventing the Sun's rays from reaching it. Lunar eclipses only occur at full moon and when the Moon is in the Earth's plane of orbit.
Lunar eclipses usually occur a few times a year.
A lunar eclipse occurs when the Moon passes directly behind the Earth into its
umbra (shadow) ... The penumbra causes a subtle darkening of the moon's
surface. A special type of penumbral eclips...
Sep 18, 2015 ... A series of four total lunar eclipses in a row is called a tetrad, or four Blood Moons
. See how lunar eclipse tetrads work in this Space.com ...
Dec 20, 2016 ... Lunar eclipses occur when Earth's shadow blocks the sun. ... of what causes an
eclipse and therefore blamed the events on this god or that.
Sep 22, 2014 ... Introduction. What is an eclipse of the Moon? What causes eclipses and why?
How often do eclipses happen and when is the next eclipse of ...
Sep 9, 2015 ... A solar eclipse happens when the moon gets in the way of the sun's light and
casts its shadow on ... Similar Item 1 : What causes the seasons?
(This sunlight is what causes the moon to shine.) Instead of light hitting the
moon's surface, Earth's shadow falls on it. This is an eclipse of the moon -- a
An eclipse is caused by the movement of a moon or planet into the shadow of
another. The two types of eclipses that occur on Earth (solar and lunar) involve
What's up in spacefrom NBC News Digital. We've moved our coverage of space
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A Total Lunar Eclipse happens when the Earth moves in between the Sun and
the ... It is the same mechanism responsible for causing colorful sunrises and ...