Top Posters
Since Sunday
w
5
a
3
j
2
a
2
t
2
u
2
r
2
j
2
j
2
l
2
d
2
y
2
New Topic  
ima-gine ima-gine
wrote...
Posts: 298
Rep: 0 0
5 years ago
The Sidereal Day: Using your wristwatch and observations of the night sky over the course of a few weeks, how can you demonstrate to a friend that 24 hours cannot be the true rotation period of the Earth (often called the sidereal day)? What assumptions do you make in this argument?
Textbook 
The Essential Cosmic Perspective

The Essential Cosmic Perspective


Edition: 7th
Authors:
Read 43 times
1 Reply
Replies
Answer verified by a subject expert
vivianlivivianli
wrote...
Posts: 181
5 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

ima-gine Author
wrote...

5 years ago
Helped a lot
wrote...

Yesterday
This helped my grade so much Perfect
wrote...

2 hours ago
this is exactly what I needed
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1428 People Browsing
Related Images
  
 4501
  
 637
  
 329
Your Opinion
Which country would you like to visit for its food?
Votes: 262