abcd questions Flashcards
1
Q
Which of the following correctly lists our “Cosmic Address” from small
to large?
A
Earth, Solar System, Milky Way Galaxy, Local Group, Local
Supercluster, Universe
2
Q
If a star is 500 light years away from us, how long will
it take for the light from the star to reach us?
A
500 years
3
Q
Sirius- the brightest star is about 9 light years away. If the speed of light were half its present value, how far away would Sirius be?
A
18 years
4
Q
A
8 p.m.
