× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
j
3
s
3
j
2
J
2
e
2
n
2
t
2
d
2
b
2
t
2
J
2
b
2
New Topic  
Ag566 Ag566
wrote...
Posts: 541
Rep: 0 0
6 years ago
We know that the numbers of stars _________ from _______ to ________ on the H-R diagram.
 
  a. increases, upper right, lower left b. decreases, upper left, lower right
  c. increases, upper left, lower right d. decreases, upper right, lower left

Question 2

_________ occurs when light travels out of a gravitational field, loses energy, and its wavelength grows longer.
 
  a. A gravitational blue shift
  b. The solar wind
  c. A gravitational redshift
  d. A X-ray burst
  e. A pulsar wind

Question 3

Assume you are not near any X-ray machines. If your eyes could only see in X-rays, what color would best describe your view of your surroundings?
 
  a. white b. red
  c. violet d. black
Read 43 times
3 Replies
Replies
Answer verified by a subject expert
NpeteteNpetete
wrote...
Posts: 403
Rep: 1 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Ag566 Author
wrote...
6 years ago
Literally the most helpful website ever
wrote...
6 years ago
Monkey
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  824 People Browsing
Related Images
  
 598
  
 997
  
 6162
Your Opinion
Who will win the 2024 president election?
Votes: 119
Closes: November 4

Previous poll results: Who's your favorite biologist?