Unit 5 Flashcards
A(n) __________ in which the moon appears darkened as it passes into the earth’s shadow.
lunar eclipse
The first zodiacal constellation is ______.
Aries
Earth has an extensive ___________, making conditions benefical for life.
magnetic field
Maria are free from _______, made out of ______ and the largest of it is _____________.
craters, basalt, Mare Imbrium
A __________ -seven days after a spring tide- refers to a period of minimum high tides when the sun and moon are at right angles to each other.
neap tide
When the moon is at ________, the tide rising power increases 20%. The result of the Moon pulling on the Earth’s poles is _______.
perigee, nutation
___________ is known to be the largest meteorite found.
Hoba West
The result of the ______ orbit going through a flood of ________ is a meteor shower.
Earth’s, meteoroids
Our atmosphere is made up of a mixture of ___________ gases.
homogeneous
__________ is where solar wind particles and Earth’s magnetic field meet.
Bow Shock
The apparent annual path of the sun is called ___________.
ecliptic
An annular eclipse occurs whenever the Moon’s ______ fails to reach the ground.
umbra
27.32 days
a sidereal month
19 years
a nutation
29.53
a synodic month
