The moon ________ may have erupted to create the E rings around Saturn.
Fill in the blank(s) with correct word
Question 2
For most of history, the lack of observable stellar parallax was interpreted to mean that ________.
A) stars must all lie at the same distance from Earth, on the celestial sphere
B) Galileo's theories of the universe were essentially correct
C) stars were too far away for parallax to be measured with available technology
D) Earth is stationary at the center of the universe