Top Posters
Since Sunday
Home Q & A Board Science-Related Homework Help Physics
New Topic  
doit_the_clown doit_the_clown
wrote...
Go to Answer
Posts: 1408
Rep: 0 0
7 years ago
An astronomical unit (AU) is
A)   a unit of time equal to the time taken for light to travel from the Sun to the Earth.
B)   a standard unit of length, defined as the wavelength of light from krypton gas.
C)   a unit of length, the average distance between the Sun and the Earth.
D)   a unit of mass equal to one solar mass.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 106 times
1 Reply
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
Replies
Answer verified by a subject expert
papachulopapachulo
wrote...
#1
Top Poster
Posts: 1302
Rep: 29 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

doit_the_clown Author
wrote...

7 years ago
Just got PERFECT on my quiz
homework1
wrote...

Yesterday
Smart ... Thanks!
foxrcng11
wrote...

2 hours ago
This site is awesome
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1261 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 1407
  
 324
  
 237
Your Opinion
Who's your favorite biologist?
Votes: 586
Previous poll results: What's your favorite funny biology word?