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Title: Astronomy Book Vocabulary

Description: Chapter 1/Section 2

Total Flash Cards: 10

Created: 06/13/2005 12:07:10

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Cards

Term
phase
Definition
one of the different shapes of the moon as seen from Earth
Term
eclipse
Definition
the partial or total blocking of one object by another
Term
solar eclipse
Definition
the blocking of sunlight to Earth that occurs when the moon is between the sun and Earth
Term
umbra
Definition
the darkest part of a shadow
Term
penumbra
Definition
the part of a shadow surrounding the darkest part
Term
lunar eclipse
Definition
the blocking of sunlight to the moon that occurs when Earth is directly between the sun and moon
Term
tide
Definition
the rise and fall of the level of water in the ocean
Term
gravity
Definition
the attractive force between two objects; its magnitude depends on their masses and the distance between them
Term
spring tide
Definition
a tide with the greatest difference between low and high tides
Term
neap tide
Definition
a tide with the least difference between low and high tides



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