Search found 4 matches

by copperjet
Mon Sep 22, 2014 8:08 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Earth at Equinox (2014 Sep 22)
Replies: 16
Views: 41107

Re: APOD: Earth at Equinox (2014 Sep 22)

Did anyone else notice that sprite-like bright white cloud that sprang up over the northern end of Sumatra at 1 second and appeared to move west and south until it disappeared into a larger cloud at about 2 seconds? Was that a reflection of sunlight on a small cloud or something? It seemed to move f...
by copperjet
Mon Sep 30, 2013 8:00 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Mysterious Green Patches on the Sky (2013 Sep 30)
Replies: 275
Views: 523232

Re: APOD: Mysterious Green Patches on the Sky (2013 Sep 30)

It looks more like a green-tinged aurora than something from the ocean reflecting onto the clouds.
Were there any other sightings of aurora that night?
The cloud-cover is pretty high. How would bioluminescent light reach that high?
I suppose it could be airglow.
by copperjet
Fri Jun 07, 2013 12:03 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Star Size Comparisons (2013 Jun 06)
Replies: 103
Views: 33200

Re: APOD: Star Size Comparisons (2013 Jun 06)

Total Perspective Vortex. Infinitesimally small dot on an infinitesimally small dot.
by copperjet
Mon Sep 10, 2012 3:42 pm
Forum: Starship Asterisk: Handbook
Topic: APOD assessment poll #8
Replies: 129
Views: 75115

Re: APOD assessment poll #8

I found APOD in March 1999 through a friend who sent me a link to a picture that fascinated & awed me. Since then APOD has been my home page. I never start a workday day without taking a look at that morning's picture. Thanks for all the years of wonderful images and a great start to my days.