× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
z
4
n
4
t
4
k
3
x
3
r
3
m
3
j
3
c
3
l
3
e
3
s
2
New Topic  
littleroberts littleroberts
wrote...
Posts: 447
Rep: 1 0
6 years ago
If continuous spectrum light from a star passes through a cool, low-density gas on its way to your telescope and spectroscope, ____ spectrum on the continuous spectrum results.
 
  a. a dark (absorption) line
  b. a bright (emission) line
  c. continuous

Question 2

A lunar eclipse can only occur during the full phase.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 3

The process of making an electron less tightly bound to an atom's nucleus is known as
 
  a. excitation.
  b. Doppler broadening.
  c. collisional broadening.
  d. a red shift.
  e. quantum mechanics.

Question 4

The seasons are caused by the precession of Earth's axis.
 
  a. True
  b. False
  Indicate whether the statement is true or false
Read 77 times
3 Replies
Replies
Answer verified by a subject expert
vivian970811vivian970811
wrote...
Posts: 349
Rep: 4 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

littleroberts Author
wrote...
6 years ago
Smiling Face with Open Mouth that's the expression my face made when I got the notification email
wrote...
6 years ago
glad I put that smile on your face Happy Dummy
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  425 People Browsing
Related Images
  
 282
  
 939
  
 828
Your Opinion
How often do you eat-out per week?
Votes: 81