PBE Flashcards
1
Q
Distance from earth to most remote known quasar
A
Ans: 1.4x10^26
2
Q
Distance from earth to most remote known normal galaxy
A
9x10^25
3
Q
distance from the Earth to most remote
known normal galaxies (M 31, the andromeda galaxy)
A
2x10^22
4
Q
Distance from the Sun to nearest star
(Proxima Centauri)
A
4x10^16
5
Q
One lightyear
A
9.46x10^15
6
Q
Mean orbit radius of the earth about the
Sun
A
1.5x10^11
7
Q
Mean distance from Earth to the Moon
A
3.84x10^8
8
Q
Mean radius of the Earth
Ans: 6.37 x10^6
A
8
Q
A
8
Q
Distance from the equator to the North
Pole
A
1.00x10 ^7
9
Q
A
9
Q
A
9
Q
A
9
Q
A
9
Q
A
