Astronomers began to use radio telescopes to investigate the universe:
A) during the 1920s.
B) during the 1980s, with the development of CCD detectors.
C) in the early 1960s, with the development of satellites.
D) in the late 1940s, shortly after World War II.
Correct Answer:
Verified
Q61: In spectroscopy, a diffraction grating is a:
A)screen
Q62: When making a spectrum of a distant
Q63: The best diffraction gratings have about how
Q64: One major difference between radio waves and
Q65: The first true radio telescope, built by
Q67: One way to improve the angular resolution
Q68: The quality of images produced by a
Q69: The angular resolution attainable with a radio
Q70: Why is the angular resolution of a
Q71: How does the angular resolution of the
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