A certain spectral line of hydrogen has a wavelength of 410.2 nm when observed in the laboratory.If the same line appears in a star's spectrum at 410.0 nm,what can you conclude about the motion of the star?
A) The star is moving away from the observer.
B) The star is moving toward the observer.
C) The star is moving but the direction is not known.
D) The star is not moving toward or away from the observer.
Correct Answer:
Verified
Q33: What is the term for the absorption
Q34: The Hg line has a wavelength of
Q35: If you move an electron from a
Q36: What is the term for atoms that
Q37: The Sun emits its maximum intensity of
Q39: The Sun contains a lot of hot
Q40: The Sun emits its maximum intensity of
Q41: Why do sunspots appear dark?
A)Regions of the
Q42: What is differential rotation of the Sun?
A)Heating
Q43: What causes granulation?
A)sunspots
B)rising and sinking gases below
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