Multiple Choice
What was the first extraterrestrial radio source to be detected?
A) Cassiopeia A (a supernova remnant)
B) the center of our Galaxy
C) Jupiter
D) Sun
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q76: What is chromatic aberration in a telescope?<br>A)
Q77: Our present understanding of the nature of
Q78: As a light ray leaves a glass
Q79: How is spherical aberration eliminated in a
Q80: Which combination of optics is used in
Q82: Earth's atmosphere is transparent to which of
Q83: The speed of light always has the
Q84: In measuring solar neutrinos, what would one
Q85: It is difficult to improve the angular
Q86: A particular reflecting telescope has a primary