The hydrogen Balmer line H has a wavelength of 486.1 nm in the laboratory.It is observed in a quasar at 972.2 nm.What is the radial velocity of this quasar?
A) 2.4*105 km/sec
B) 1.8*105 km/sec
C) 6*105 km/sec
D) 2
E) 1
Correct Answer:
Verified
Q35: How do astronomers know that the nuclei
Q36: A galaxy which has a close encounter
Q37: Encounters between galaxies would be _ in
Q38: Why do astronomers believe black holes are
Q42: Quasar red shifts are usually larger than
Q44: If a quasar has a red shift
Q68: Most galaxies appear to be
A)composed of one
Q72: What is the major observational difference between
Q100: The spectrum of a(n)_ consists of a
Q124: The radio radiation emitted by a radio
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