More cards in this set

Card 6

Front

How does red-shift show that the universe is expanding?

Back

Preview of the front of card 6

Card 7

Front

How does red shift depend on speed?

Back

Preview of the front of card 7

Card 8

Front

What did Hubble discover?

Back

Preview of the front of card 8

Card 9

Front

What did Hubble conclude?

Back

Preview of the front of card 9