HSES: Expansion of the Universe
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- Q1
________ is the shift of absorption bands towards the red end of the visible light spectrum. (The "Doppler Effect" of light)
spectrum shift
red shift
Red Effect
Doppler effect
30s - Q2
Hubble's law states that:
The farther away a galaxy is, the slower it is moving away from us.
The farther away a galaxy is, the fast it is moving away from us.
The closer a galaxy is, the faster it is moving away from us.
The distance of a galaxy from Earth has no effect on its speed of movement.
30s - Q3
The universe is expanding
truefalseTrue or False30s - Q4
What is true about the universe?
c. The universe is shrinking
b. the space between galaxies is increasing
d. A and B are true
a. Galaxies stay the same size
30s - Q5
This element was first discovered by studying absorption lines from our Sun.
Carbon
Helium
Oxygen
Hydrogen
30s - Q6
(5 pts) How do astronomers know when a galaxy is moving away from Earth?
Users enter free textType an Answer30s