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Week 8 (11/06) – Quiz #20
Which of the following statements is FALSE?
A.
B.
C.
D.
E.
The Cosmic Microwave Background Radiation, the afterglow
from the Big Bang, is visible today
Most modern-day cosmologists do not believe in the Steady State
theory
The Steady State theory postulates that new galaxies must be
created from the energy in the Universe (“C field”) as the
Universe expands
Modern cosmology has well defined ideas about what happened
before the Big Bang
Olbers’ paradox states that the night sky should be as bright as the
surface of a star
Week 8 (11/06) – Quiz #21
Which of the following statements is TRUE?
A.
B.
C.
D.
E.
Black holes can emit particles and thereby lose mass — this is
called Hawking radiation
John Wheeler coined the theorem “A black hole has no hair”
because he was bald and thought of himself as a black hole
The concept of gravity trapping light is a direct consequence of
the Special Theory of Relativity
Most stars have supermassive black holes at their centers
The so-called “dark energy” that is driving the acceleration of
the Universe and the so-called “dark matter” that makes its
presence felt through gravity are present in equal amounts in the
energy budget of the Universe — i.e. they contribute equally to
the overall  of the Universe