Quarter Moon Shadow

The cosmos at our fingertips.
Jim Leff
Science Officer
Posts: 175
Joined: Thu Dec 09, 2010 2:00 pm

Quarter Moon Shadow

Post by Jim Leff » Sun Mar 13, 2022 4:00 am

Why does the termimator on a quarter moon look straight? If the earth is round, shouldn't its shadow be round?

User avatar
Chris Peterson
Abominable Snowman
Posts: 16823
Joined: Wed Jan 31, 2007 11:13 pm
Location: Guffey, Colorado, USA

Re: Quarter Moon Shadow

Post by Chris Peterson » Sun Mar 13, 2022 4:35 am

Jim Leff wrote: Sun Mar 13, 2022 4:00 am Why does the termimator on a quarter moon look straight? If the earth is round, shouldn't its shadow be round?
The phases of the Moon are not created by Earth's shadow...
Chris

*****************************************
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com

Jim Leff
Science Officer
Posts: 175
Joined: Thu Dec 09, 2010 2:00 pm

Re: Quarter Moon Shadow

Post by Jim Leff » Sun Mar 13, 2022 9:37 pm

Doh! Of course! Thanks!