Details Title: Astronomy Book Vocabulary Description: Chapter 1/Section 3 Total Flash Cards: 9 Created: 06/13/2005 12:07:10		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Astronomy Flashcards
Cards in this set: Term phase Definition one of the different apparent shapes of the moon as seen from Earth Term eclipse Definition the partial or total blocking of one object in space by another Term solar eclipse Definition the blocking of sunlight to Earth that occurs when the moon is directly 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 the moon Term tide Definition the periodic rise and fall of the level of water in the ocean Term spring tide Definition the tide with the greatest difference between consecutive low and high tides Term neap tide Definition the tide with the least difference between consecutive low and high tides