Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
New Topic  
staedtler staedtler
wrote...
Posts: 2716
Rep: 0 0
7 years ago
The umbra of a sunspot is about 1500 K cooler than the surrounding solar photosphere. How will the light from the umbra compare to the light from the rest of the photosphere?
A)   Both will emit light of the same color and the same intensity (per square meter) because they are both in the photosphere.
B)   The light from the umbra will be bluer.
C)   The light from both will be the same color, but the umbra will emit less light per square meter.
D)   The light from the umbra will be redder.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 101 times
2 Replies
Replies
Answer verified by a subject expert
hyponoticahyponotica
wrote...
Top Poster
Posts: 1396
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

staedtler Author
wrote...
6 years ago
Person Raising Both Hands in Celebration

Correct Slight Smile
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1154 People Browsing
Related Images
  
 598
  
 457
  
 281
Your Opinion
What's your favorite funny biology word?
Votes: 328