Top Posters
Since Sunday
G
4
K
3
m
2
c
2
r
2
p
2
s
2
s
2
b
2
c
2
R
2
c
2
Home Q & A Board Science-Related Homework Help Physics
New Topic  
staedtler staedtler
wrote...
Go to Answer
Posts: 2716
Rep: 0 0
7 years ago
If we sent a radio message toward the star nearest to the Sun, and intelligent beings from a planet near that star sent back a reply immediately upon receipt of the message, how long after our transmission would we have to wait for a reply?
   A)  8.6 years    B)  1 light-year    C)  1 year    D)  20,000 years
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 103 times
2 Replies
Replies
Answer verified by a subject expert
discovererdiscoverer
wrote...
#1
Top Poster
Posts: 1374
Rep: 30 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

staedtler Author
wrote...
#2
7 years ago
I really appreciate your help!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1138 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 6894
  
 7558
  
 782
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 405
Previous poll results: Does a gender wage gap exist in America?