Which of the following statements best describes the current state of understanding regarding the apparent acceleration of the expansion of the universe?
A) We have moderately strong evidence that the acceleration is real, but essentially no idea what is causing it.
B) The cause of the acceleration is well-understood, and attributed to the particles that make up dark energy.
C) The acceleration is very important in the cosmos today, but the evidence indicates that it will eventually slow down, allowing the universe to recollapse.
D) The acceleration probably is not real, and what we attribute to acceleration is probably just a misinterpretation of the data.
Correct Answer:
Verified
Q78: What do we mean when we say
Q79: Which of the following is not one
Q80: Compared to the critical density of matter,
Q81: It is more difficult to determine the
Q82: Why do we call dark matter "dark"?
A)
Q84: Why does the temperature of the gas
Q85: The flat rotation curves of spiral galaxies
Q86: Some people wish that we lived in
Q87: Is space expanding within clusters of galaxies?
A)
Q96: Which of the following best sums up
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents