Observations from what two parts of the electromagnetic spectrum reveal that the Galaxy has spiral arms.
A) Radio and optical observations
B) X-ray and microwave observations
C) Infrared and ultraviolet observations
D) Gamma-ray and microwave observations
Correct Answer:
Verified
Q79: Much of the mass of our Galaxy
Q80: Which two parameters of star motion in
Q81: Which of the following,above all else,outlines the
Q82: If the galactic center is now thought
Q83: What is microlensing?
A) The focusing of starlight
Q85: Globular clusters are composed of
A) very young,metal-poor
Q86: We cannot see the precise shape of
Q87: Which of the following locations in our
Q88: The central core of the Galaxy is
Q89: What appear to be the characteristics of
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents