9. a) what is the doppler effect? b) how does it work? c) if 12 points
a star looks bluer to...
Physics, 11.01.2020 07:31 santana647
9. a) what is the doppler effect? b) how does it work? c) if 12 points
a star looks bluer to us than it should, is the star moving
away from us or toward us? explain. fyi the new general
catalogue of nebulae and clusters of stars (abbreviated
as ngc) is a catalogue of deep-sky objects compiled by
john louis emil dreyer in 1888. *
ngc 6979
ngc 6974
pickering's
triangle
Answers: 1
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