Dark energy is the name of the
a. force that lead to the inflationary period of the Universe.
b. five-dimensional space of the Universe.
c. force suspected to cause the current acceleration in the rate of expansion of the Universe.
d. one of the particles of dark matter related to WIMPs.
e. the force that holds the proton together.
Question 2Type II supernovae are believed to occur when the cores of massive stars collapse.
a. True
b. False
Indicate whether the statement is true or false
Question 3The assumption of homogeneity states that
a. the Universe looks the same at all epochs.
b. the Universe looks the same from all locations over sufficiently great distances.
c. the Universe looks the same in all directions over sufficiently great distances.
d. the Universe looks the same at all epochs, the Universe looks the same from all locations over sufficiently great distances, and the Universe looks the same in all directions over sufficiently great distances.
e. None of the other choices are correct.
Question 4The Sun will eventually become a supernova.
a. True
b. False
Indicate whether the statement is true or false
Question 5The assumption of isotropy states that
a. the Universe looks the same at all epochs.
b. the Universe looks the same from all locations over sufficiently great distances.
c. the Universe looks the same in all directions over sufficiently great distances.
d. the Universe looks the same at all epochs, the Universe looks the same from all locations over sufficiently great distances, and the Universe looks the same in all directions over sufficiently great distances.
e. None of the other choices are correct.