Search found 6 matches
- Tue Jun 08, 2010 10:13 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Falcon 9 Launches to Orbit (2010 Jun 08)
- Replies: 70
- Views: 8097
Re: APOD: Falcon 9 Launches to Orbit (2010 Jun 08)
I wonder if it's one of the couple of insects seen here: http://www.youtube.com/watch?v=3pOegGGHrP0#t=1m05s
- Sat Mar 20, 2010 5:02 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Zodiacal Light Vs. Milky Way (2010 Mar 20)
- Replies: 17
- Views: 3653
Re: APOD: Zodiacal Light Vs. Milky Way (2010 Mar 20)
The photo description is here. It is written that 4 vertical photos were shot 35 minutes after sunset and combined afterwards. The observer is Daniel himself. The exposure time is not mentioned. I guess that it is approximately 1 minute or less.
- Thu Mar 04, 2010 12:08 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: The ISS from Above (2010 Mar 03)
- Replies: 116
- Views: 19726
Re: APOD: The ISS from Above (2010 Mar 03)
I cheated. The EXIF information shows that the photo was taken at 2010:02:20 02:04:57 UTC. Then I found an ISS tracker that had past Keplerian elements for this time period. Voila, the ISS was over the Atlantic Ocean off Porto Alegre, the southern most tip of Brasil, and near Uruguay. The terrain m...
- Wed Mar 03, 2010 12:19 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Exceptional Rocket Waves Destroy Sun Dog (2010 Feb 23)
- Replies: 65
- Views: 16885
Re: APOD: Exceptional Rocket Waves Destroy Sun Dog (2010 Feb
ULA's response in regards to the SDO's shock waves: The final thought back here is that the effect we saw was due either to shockwaves from the vehicle as it went supersonic (approximately 82 seconds into flight), or varying densities or shockwaves in the engine plume. One of these phenomena could ...
- Fri Feb 26, 2010 11:55 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Exceptional Rocket Waves Destroy Sun Dog (2010 Feb 23)
- Replies: 65
- Views: 16885
Re: APOD: Exceptional Rocket Waves Destroy Sun Dog (2010 Feb
I wrote a bit about this rare and wonderful event in my Hebrew blog . Here are my thoughts: The waves appear instantly through the whole cirrus cloud. It indicates that they were produced earlier in some continuous process and hit the cloud at the same time. A rough estimate of their speed indicates...
- Fri Feb 26, 2010 10:54 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Exceptional Rocket Waves Destroy Sun Dog (2010 Feb 23)
- Replies: 65
- Views: 16885
Re: APOD: Exceptional Rocket Waves Destroy Sun Dog (2010 Feb
The sundog in the picture is the left one since the red color is always closest to the sun.DavidLeodis wrote:I am wondering if there was a matching sundog to the left and, if so, what happened to that