Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Science-Related Homework Help Physics
New Topic  
doit_the_clown doit_the_clown
wrote...
Go to Answer
Posts: 1408
Rep: 0 0
7 years ago
What is an advantage of quintessence over the cosmological constant as a description of dark energy?
A)   Einstein's reasoning in rejecting the cosmological constant still seems to be true today.
B)   The cosmological constant would have to have, from the beginning of the universe, the right value to give a flat universe now:  an amazing coincidence.  The quintessence model does not have this requirement.
C)   Quintessence is a well-established concept in physics, going back to ancient times, whereas the cosmological constant is a relatively new and untested concept.
D)   The quintessence model predicts the correct age for the universe; the cosmological constant does not.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 93 times
1 Reply
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
Replies
Answer verified by a subject expert
hyponoticahyponotica
wrote...
#1
Top Poster
Posts: 1396
Rep: 28 0
7 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

doit_the_clown Author
wrote...

7 years ago
Just got PERFECT on my quiz
shimyshiguy
wrote...

Yesterday
Helped a lot
logbi
wrote...

2 hours ago
Correct Slight Smile TY
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1315 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 67
  
 311
  
 79
Your Opinion
Who's your favorite biologist?
Votes: 586
Previous poll results: Where do you get your textbooks?