__________ show(s) that some quasars are further away than distant galaxies and that space time is curved by massive objects
a. Double-lobed radio galaxies
b. Blazars
c. The gravitational lens effect
d. Head-tail galaxies
e. Superluminal expansion
C
Physics & Space Science
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Galaxies are classified into types solely on the basis of their color
Indicate whether the statement is true or false
Physics & Space Science
The largest component of municipal solid waste in the U.S. is
a. glass b. plastics c. paper d. yard waste e. metals
Physics & Space Science
At the summer solstice in June, at what latitude is the sun directly overhead at solar noon?
A. 0.0
(the equator)
B. 23.5
N
C. 23.5 S
D. 66.5 N
E. 40.0N
Physics & Space Science
Where have scientists begun a concerted search for life outside of Earth?
A) the Moon B) Venus C) Mars D) Jupiter E) Titan
Physics & Space Science