× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
o
5
5
b
4
s
3
j
3
b
3
m
3
K
3
g
3
L
3
w
3
m
3
Home Q & A Board Science-Related Homework Help Physics Astronomy
New Topic  
RUNNER84 RUNNER84
wrote...
Go to Answer
Posts: 496
Rep: 0 0
6 years ago
If galaxy A is four times more distant than galaxy B, then according to the Hubble law, galaxy A will recede ___________ than galaxy B.
 
  a. 16 times faster
  b. 4 times faster
  c. 2 times faster
  d. 1.2 times faster
  e. 0.25 times faster

Question 2

What is the difference between a supernova and a nova?
 
  What will be an ideal response?

Question 3

The flatness problem states that
 
  a. the density of the Universe is very close to the critical density.
  b. the density of the Universe is much larger than the critical density.
  c. the density of the Universe is much less than the critical density.
  d. the Universe is two-dimensional.
  e. the Universe is one-dimensional.

Question 4

Why can't a massive star generate energy through iron fusion?
 
  What will be an ideal response?
Read 73 times
2 Replies
Replies
Answer verified by a subject expert
InagambitInagambit
wrote...
#1
Top Poster
Posts: 596
Rep: 2 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
This verified answer contains over 190 words.
1

Related Topics

RUNNER84 Author
wrote...
#2
6 years ago
Thank you, thank you, thank you!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  954 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 553
  
 595
  
 1046