Author Question: Olbers's paradox is solved in part by the fact that the universe is neither infinitely large nor ... (Read 72 times)

j.rubin · **on:** Jul 27, 2018

Olbers's paradox is solved in part by the fact that the universe is neither infinitely large nor infinitely old.

Indicate whether the statement is true or false

Question 2

Binary stars separated enough to be resolved in a telescope are called

A) visual binaries.
B) orbital binaries.
C) astrometric binaries.
D) spectroscopic binaries.
E) line-of-sight binaries.