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what is an astronomical unit?
Distance from the sun.
About how big is the Moon compared to Earth?
1/4
What is the name of the star that the northern end of Earth's axis is always fixed on?
Polaris
why d othe Sun and Moon appear to be the same size in the sky?
The Moon is about 400 times smaller than the Sun.
What causes day and night?
Rotation
Why do the Sun and Moon appear to move across the sky?
Rotation of Earth
What seasons are the northern and southern hemispheres experiencing at certain points in Earth's revolution?
Summer and Winter
What is solar noon?
Moon is at its highest point.
What is summer solstice?
The longest amount of sun in the summer
What is an equinox?
It means equal light
why do we see phases of the Moon?
the moon revolves around the earth
wha tare we seeing during the phases of the moon?
the illuminated surface of the moon
how long does the complete moon phase take?
28 days
how long is it between the new moon and full moon?
14 days
what is an annular eclipse?
when the moon is at its furthest point
Author
PoorPandaMan
ID
184277
Card Set
Science
Description
notecards for science class
Updated
11/19/2012, 1:08:30 AM
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