The scientific community now thinks that
A) the universe was formed in an explosion that took place between 10 and 15 billion years ago.
B) new matter is continuously being created in the space between the galaxies.
C) the universe is collapsing.
D) quasars originated in the nucleus of the Milky Way.
E) our Sun is at the center of the universe.
Correct Answer:
Verified
Q44: We think that the universe is expanding
Q45: What is baryon number,electric charge (in units
Q46: The cosmic background radiation strongly suggests that
A)the
Q47: According to Hubble's law,the age of the
Q48: At the present time,the truly elementary particles
Q50: Mesons are particles that mediate the
Q51: Virtual photons are particles that mediate the
Q52: According to the standard model,
A)the four forces
Q53: The field quanta associated with the hadronic
Q54: The cosmic background radiation is an important
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