Search found 3 matches

by Bob_Scopatz
Wed Feb 14, 2007 2:47 pm
Forum: The Asterisk Café: Discuss Anything Astronomy Related
Topic: Craters are an optical illusion?
Replies: 16
Views: 7230

I was going to pipe in on the "raised craters" effect to say that this kind of illusion happens with other things too, but the whole links to illusions and Escher beat me to it. I noticed a similar effect in some photos I took of Mayan relief carvings from Mexico. They would flip back and ...
by Bob_Scopatz
Sat Oct 14, 2006 2:15 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Hubble SWEEPS field (APOD 13 Oct 2006)
Replies: 10
Views: 5133

This is amazing stuff.

Thanks for the answer!

Makes sense.
by Bob_Scopatz
Fri Oct 13, 2006 3:06 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Hubble SWEEPS field (APOD 13 Oct 2006)
Replies: 10
Views: 5133

Could the transit method work to detect smaller planets in more distant orbits? I had two thoughts on this: 1) If the detectors are sensitive enough, a small change in detected light from the star might indicate the presence of a small planet -- just like it does for close-orbit large planets. 2) if...