unit 5 Flashcards
(21 cards)
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 beneficial for life
Magnetic field
Maria are free from____ , made out of_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%.
perigee
The result of the Moon pulling on the Earth’s poles is _____.
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 almos ere is made up of a mixture of ____ gases.
homogeneous
_____ is where solar wind particles and Earth’s magnetic field meet
Bow Shoc
The apparent annual path of the sun is called ______.
ecliptic
An annular eclipse occurs whenever the Moon’s _____ fails to reach
umbra
In which layer does the ozone layer exist?
Stratosphere
What’s the name of the French physicist who used a pendulum to show the rotation of the Earth?
Jean Foucault
The dividing line between light and shadow across the Moon’s disk is called the whạt?
terminator
200 million years
Galactic year
synodic month
29.53 days
sidereal month
27.32 days
a percession
25,800 years
a nutation
19 years
