Chapter 1 Terms Flashcards Preview

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Flashcards in Chapter 1 Terms Deck (14):
1

Annular Eclipse

An eclipse in which the body in front does not completely cover the other

2

Celestial Equator

Imaginary line of the celestial sphere lying exactly above the Earth's equator and it divides the celestial sphers into Northtern and Southtern Hemisphere

3

Celestial Poles

Imaginary point on the celestial sphere directly above the Earth's North or South Pole

4

Constellation

Grouping of stars in the night sky

5

Eclipse Season

Time of year when eclipses are possible at any given eclipse season and are separated by 6 months

6

Ecliptic

The path that the sun appears to make aroud the celestial sphere as the Earth moves along its orbit

7

Equinox

The time of year when the sun appears to cross the celestial equator and the number of day and night are equal

8

Horizon

The line that seperates the sky from the ground

9

Lunar Eclipse

When the Earth is between the Sun and the Moon

10

Phase

The change of the moon

11

Precession

The slow change of direction of the pole (Rotation Axis)

12

Rotation Axis

An imaginary line through the center of a body in which the body spins

13

Solar Eclipse

When the Moon is between the Sun and Earth and the Moon blocks off the sun

14

Solistice

The beginning of winter and summer