In the distant future, the Andromeda Galaxy will collide with the Milky Way. Which of the following would a hypothetical alien presently living in Andromeda observe about Balmer lines from our galaxy?
W) Their wavelengths are shorter than expected
X) Their wavelengths are longer than expected
Y) Their frequencies are lower than expected
Z) They are not subject to Zeeman splitting
✔️Answer:W) THEIR WAVELENGTHS ARE SHORTER THAN EXPECTED
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