notes Flashcards
1
Q
what are two factors nthat effect gravitional strenth
A
the mass and distance
2
Q
is the pole to pole or the equator longer
A
the equator
3
Q
what dies rthe magnect field protect earth from
A
harmful radiation from th sun
4
Q
the south mahnecticpoleis located where
A
south
5
Q
what degree is earth axis earth tilted at
A
11.72fw
6
Q
do they reverse
A
yep
7
Q
how often do they reverse
A
200000years
8
Q
what is the northern lights called
A
aroura boriaslis
9
Q
souther lights
A
aurora australis
10
Q
how are the aurora created
A
eltrical particles collided
11
Q
when is the earth closest to the sun
A
winter
