ASTRO 1 Unit 4 Part 6.pdf - Score for this attempt: ​6​ out...

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Score for this attempt:6out of 6Submitted Apr 8 at 11:17pmThis attempt took 1 minute.Question 11 / 1 ptsWhat is the relationship between the angular size of the galaxy and its redshift?A: The redshift tends to be larger if the angular size is smaller.B: The redshift tends to be smaller if the angular size is smaller.C: There seems to be no relationship between redshift and angular size.
Question 21 / 1 ptsThe redshift of galaxies in the Universe is correctly interpreted as:
C: Space itself expanding with time; the photon wavelengths are stretched as theythey travel through space.D: The difference in temperature of distant and nearby galaxies.E: Extinction due to the effects of dust in galaxies.

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Term
Fall
Professor
alber, Dave
Tags
Big Bang, Redshift, Hubble

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