According to the theory of cosmic inflation, the large-scale clumping of matter (into stars, galaxies, etc.) that we observe in the universe had its origin in
A) the creation of dark matter, that exerted a repulsive force and pushed things together.
B) the creation of dark energy, that exerted an inward force and pulled things together.
C) thermal motion caused by the high temperature of the early universe.
D) quantum nonlocality, that connected bits of energy that were originally separated.
E) quantum uncertainties that were then stretched by the expansion of the universe.
E
You might also like to view...
The first-quarter Moon rises
a. at about noon. b. at sunset. c. at sunrise. d. at about midnight. e. during the second week of each calendar month.
________ optics deform the shape of the mirror to compensate for the turbulence in the atmosphere and yield a close to diffraction-limited image
A) Collimating B) Parabolic C) Adaptive D) Coherent E) CCD
A sievert (Sv) is
A) the SI unit of absorbed dose = 1 J/kg = 100 rad. B) 10-2 J/kg. C) 3.70 × 1010 decays/s in radium. D) a dosage of 2.58 × 10-4 C/kg. E) the effective dose of 1 Gy.
Which of the following statements about the Moon is true?
A) The Moon goes through a cycle of phases because it always has the same side facing Earth. B) If you see a full Moon from North America, someone in South America would see a new Moon. C) The Moon's distance from Earth varies during its orbit. D) The Moon is visible only at night. E) The side of the Moon facing away from Earth is in perpetual darkness.