What can you conclude?
A. Star X is moving away from us faster than Star Y.
B. Star Y is moving away from us faster than Star X.
C. Star X is hotter than Star Y.
D. Star X is moving away from us and Star Y is moving toward us.
Answer:A
What can you conclude?
A. Star X is moving away from us faster than Star Y. B. Star Y is moving away from us faster than Star X. C. Star X is hotter than Star Y. D. Star X is moving away from us and Star Y is moving toward us.