That's what she said
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So it took a test and I have to make corrections on the ones i missed, but i need to be able to check my answers any help would be greatly appreciated!
1 Which of the following was not a possible outcome of Einstein's original equations of general relativity?
a. The universe might be expanding
b. The universe might be contracting
c. The universe is static
2.Evidence for Expanding Universe (Points: 10.0)
What evidence shows that the universe is expanding
a. The most distant galaxies show red-shifted emission
b. The most distant galaxies are stretched out
c. The most distant galaxies show blue-shifted emission
d. Nearby galaxies appear stationary
3 Age of Universe (Points: 10.0)
Which of the following provides an estimate of the age of the universe?
a. The inverse cosmological constant
b. The inverse Hubble constant
c. The Hubble constant squared
d. The cosmological constant
e. The square of the inverse speed of light
4.evidence for Big Bang (Points: 10.0)
What evidence has been observed that as an indication that the universe was once in an unimaginably hot and dense state?
a. Gravity Waves
b. The cosmic microwave background radiation
c. Synchrotron radiation
d. Pulsars
e. Gamma Ray Bursters
5.Forces of Nature (Points: 10.0)
Which force in nature is believed to have formed second?
a. weak force
b. electromagnetic force
c. All formed at the same time
d. strong force
e. gravity
6.Properties of the Cosmos (Points: 10.0)
Which term is used by cosmologists to refer to the idea that the universe appears the same in all directions?
a. Spherical symmetry
b. Isotropy
c. Isogeneity
d. Homogeneity
e. Omni-directionality
7.Inflation (Points: 10.0)
Which of the following is/are (a) direct consequence(s) of the hypothesized inflationary epoch in the early universe?
a. Quasars
b. cosmic microwave background
c. Gravitational Lensing
d. relative abundances of Hydrogen and Helium
e. homogeneity and isotropy
8.Atom Formation (Points: 10.0)
Which of the following refers to the time when universe cooled enough for electrons to become bound to nuclei in atoms?
a. Eon of supersymmetry
b. Epoch of inflation
c. Period of Radiation Domination
d. Era of recombination
e. Planck Time
9.Galaxy Formation (Points: 10.0)
Which kind of galaxy is made largely of stars that formed early on in a brief burst of star formation?
a. irregular
b. spiral
c. elliptical
d. barred spiral
10.Accelerating Universe (Points: 10.0)
Which observations reveal that the expansion of the universe is accelerating?
a. High resolution imaging of the Cosmic Microwave Background
b. Gravity waves from the Planck Time
c. Cepheid Variables as standard candles in the Hubble Law
d. Supernovae as standard candles for the Hubble Law
11.Accelerating Universe II (Points: 10.0)
Which of the following have been used as possible explanations for the accelerating universe?
a. Speed of light and gravitational constant
b. Cosmological constant and quintessence
c. Inflation force
d. Matter-antimatter annihilation
e. Hubble constant and inflation parameter
12.Geometry of the Universe (Points: 10.0)
Which of the following describes the geometry of a universe where parallel lines eventually meet each other?
a. flat
b. positively curved
c. sharply curved
d. not curved
e. negatively curved
13.Closed Universe (Points: 10.0)
What is the future of a "closed" universe?
a. It will reach zero degrees
b. It will expand for awhile and then contract back on itself
c. It will expand for awhile and then become still
d. It will expand forever
14.Temperature of Cosmic Microwave Background (Points: 10.0)
The cosmic microwave background is currently associated with a temperature that is closest to which of the following?
a. 273 degrees Kelvin
b. 5,777 degrees Kelvin
c. 108,000 degrees Kelvin
d. 3 degrees Kelvin
e. 379,000 degrees Kelvin
15.Early History of Universe (Points: 10.0)
When we look at the surface of the cosmic microwave background, we are seeing structure in the universe as it appeared at which of the following times after the Big Bang?
a. 4.5 Billion years
b. 10-21 seconds
c. Now
d. 379,000 years
e. The Planck Time
1 Which of the following was not a possible outcome of Einstein's original equations of general relativity?
a. The universe might be expanding
b. The universe might be contracting
c. The universe is static
2.Evidence for Expanding Universe (Points: 10.0)
What evidence shows that the universe is expanding
a. The most distant galaxies show red-shifted emission
b. The most distant galaxies are stretched out
c. The most distant galaxies show blue-shifted emission
d. Nearby galaxies appear stationary
3 Age of Universe (Points: 10.0)
Which of the following provides an estimate of the age of the universe?
a. The inverse cosmological constant
b. The inverse Hubble constant
c. The Hubble constant squared
d. The cosmological constant
e. The square of the inverse speed of light
4.evidence for Big Bang (Points: 10.0)
What evidence has been observed that as an indication that the universe was once in an unimaginably hot and dense state?
a. Gravity Waves
b. The cosmic microwave background radiation
c. Synchrotron radiation
d. Pulsars
e. Gamma Ray Bursters
5.Forces of Nature (Points: 10.0)
Which force in nature is believed to have formed second?
a. weak force
b. electromagnetic force
c. All formed at the same time
d. strong force
e. gravity
6.Properties of the Cosmos (Points: 10.0)
Which term is used by cosmologists to refer to the idea that the universe appears the same in all directions?
a. Spherical symmetry
b. Isotropy
c. Isogeneity
d. Homogeneity
e. Omni-directionality
7.Inflation (Points: 10.0)
Which of the following is/are (a) direct consequence(s) of the hypothesized inflationary epoch in the early universe?
a. Quasars
b. cosmic microwave background
c. Gravitational Lensing
d. relative abundances of Hydrogen and Helium
e. homogeneity and isotropy
8.Atom Formation (Points: 10.0)
Which of the following refers to the time when universe cooled enough for electrons to become bound to nuclei in atoms?
a. Eon of supersymmetry
b. Epoch of inflation
c. Period of Radiation Domination
d. Era of recombination
e. Planck Time
9.Galaxy Formation (Points: 10.0)
Which kind of galaxy is made largely of stars that formed early on in a brief burst of star formation?
a. irregular
b. spiral
c. elliptical
d. barred spiral
10.Accelerating Universe (Points: 10.0)
Which observations reveal that the expansion of the universe is accelerating?
a. High resolution imaging of the Cosmic Microwave Background
b. Gravity waves from the Planck Time
c. Cepheid Variables as standard candles in the Hubble Law
d. Supernovae as standard candles for the Hubble Law
11.Accelerating Universe II (Points: 10.0)
Which of the following have been used as possible explanations for the accelerating universe?
a. Speed of light and gravitational constant
b. Cosmological constant and quintessence
c. Inflation force
d. Matter-antimatter annihilation
e. Hubble constant and inflation parameter
12.Geometry of the Universe (Points: 10.0)
Which of the following describes the geometry of a universe where parallel lines eventually meet each other?
a. flat
b. positively curved
c. sharply curved
d. not curved
e. negatively curved
13.Closed Universe (Points: 10.0)
What is the future of a "closed" universe?
a. It will reach zero degrees
b. It will expand for awhile and then contract back on itself
c. It will expand for awhile and then become still
d. It will expand forever
14.Temperature of Cosmic Microwave Background (Points: 10.0)
The cosmic microwave background is currently associated with a temperature that is closest to which of the following?
a. 273 degrees Kelvin
b. 5,777 degrees Kelvin
c. 108,000 degrees Kelvin
d. 3 degrees Kelvin
e. 379,000 degrees Kelvin
15.Early History of Universe (Points: 10.0)
When we look at the surface of the cosmic microwave background, we are seeing structure in the universe as it appeared at which of the following times after the Big Bang?
a. 4.5 Billion years
b. 10-21 seconds
c. Now
d. 379,000 years
e. The Planck Time