Search found 3 matches
- Mon Sep 30, 2013 7:49 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Mysterious Green Patches on the Sky (2013 Sep 30)
- Replies: 275
- Views: 518374
Re: APOD: Mysterious Green Patches on the Sky (2013 Sep 30)
I'm no scientist but it looks like an aurora, possibly excited oxygen atoms? I read it up and they can give a green glow. As for other comments solar activity will be the obvious thing to look for particularly as we have a solar maximum just now. I doubt it's reflections from the sea as (low/visible...
- Thu Apr 03, 2008 12:19 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: M55 (globular) & star clusters (APOD 02 Apr 2008)
- Replies: 17
- Views: 9951
- Tue Jul 31, 2007 9:20 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: LASER beam (APOD 31 July 2007)
- Replies: 21
- Views: 8204
APOD - laser strike at galactic centre
Ref. todays picture and comment regarding the effect of shining a laser at the galactic centre. Forgetting for the moment the distances and hence time frames involved and given that we, with our limited technology, are able to detect water molecules in distant atmospheres, is it not the case that no...