Search found 3 matches

by dprovan
Sun Nov 14, 2021 5:08 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: How to Identify that Light in the Sky (2021 Nov 14)
Replies: 26
Views: 12298

Re: APOD: How to Identify that Light in the Sky (2021 Nov 14)

Torn between thinking "UFO" should be included, and relieved that it was not! :roll: Of couse APOD is thoroghly professional, but it is likely true that some sporadic "lights in the sky" originating in the atmosphere are not identified. They're all UFOs until your path through t...
by dprovan
Sun Apr 24, 2016 4:45 pm
Forum: Starship Asterisk: Handbook
Topic: APOD Assessment Poll #6b
Replies: 56
Views: 222099

Re: APOD Assessment Poll #6b

When it was released, I remember thinking it was a desperate bid to get past the embarrassing disaster. And brilliantly done: no one remembers now that Hubble was a worthless heap of scrap not long before this picture was taken.
by dprovan
Wed Dec 05, 2012 4:41 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Plasma Jets from Radio Galaxy Hercules A (2012 Dec 05)
Replies: 58
Views: 13367

Re: APOD: Plasma Jets from Radio Galaxy Hercules A (2012 Dec

I'm trying to get a sense of the scale of these structures, but my head hurts imagining how big they are. Are some or all of those other galaxies in the picture in the foreground?