More cards in this set

Card 6

Front

Eclipse are rare because the Moon's orbit is tilted relative to the plane of the Earth's orbit by about ....

Back

Preview of the front of card 6

Card 7

Front

What is a parallax angle?

Back

Preview of the front of card 7

Card 8

Front

The colour of the hottest star is red and the colour of the coolest star is white. TRUE or FALSE?

Back

Preview of the front of card 8

Card 9

Front

What are cephid variable?

Back

Preview of the front of card 9