True/False
Because they do not emit light, it's impossible for astronomers to determine whether black holes really exist.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q62: The surface of the Sun that we
Q64: When a star larger than 1.44 solar
Q65: What are the three lines of logic
Q66: The _ brightness of a star is
Q68: The big bang occurred _ years ago.<br>A)
Q69: If a star were orbiting a black
Q70: What is the chromosphere?
Q71: Spherical clouds of dust and gas, known
Q72: The three-dimensional shape of our galaxy, the
Q96: Blue stars are hotter than red stars.