Search found 2 matches

by eanwhite
Mon May 28, 2007 4:47 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: A Hole in Mars (APOD 28 May 2007)
Replies: 109
Views: 38939

Any longer exposures?

Has anyone tried to collect more light with a longer exposure? The image posted is exposed for the surface... Is there absolutely no light in the holes or is it only relative to the light on the surface?

Couldn't we put a light in one of these holes in three years? If we really want to?

Ean
by eanwhite
Mon Apr 02, 2007 4:40 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: An Active Sunspot Viewed Sideways (2007 Apr 02)
Replies: 7
Views: 3432

APOD: An Active Sunspot Viewed Sideways (2007 Apr 02)

http://apod.nasa.gov/apod/ap070402.html

Can anyone tell me what the scale of the image is? How high are those gas jets we see in it?

TIA, ean