Search found 5 matches

by sagian
Thu Jun 03, 2010 3:52 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: A Twisted Meteor Trail Over Tenerife (2010 Jun 02)
Replies: 157
Views: 13743

Re: APOD: A Twisted Meteor Trail Over Tenerife (2010 Jun 02)

links to other 'corkscrew' meteor images http://www.cloudynights.com/ubbthreads/attachments/3248096-M57_meteor_1.jpg http://www.space.com/imageoftheday/image_of_day_050107.html http://www.mywhitsunday.net/990918_meteor_corkscrew.jpg Chinese astronomers also give accounts of corkscrew meteors dating ...
by sagian
Thu Jun 03, 2010 3:08 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: A Twisted Meteor Trail Over Tenerife (2010 Jun 02)
Replies: 157
Views: 13743

Re: APOD: A Twisted Meteor Trail Over Tenerife (2010 Jun 02)

What "I" find amazing about this is that there is so much speculation (5 pages so far) about such a short white line in the sky that has an irregular end on it. Its such a short line that either it was like a pebble and burned up in that short a distance, or, it just barely touched the At...
by sagian
Thu Jun 03, 2010 12:29 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: A Twisted Meteor Trail Over Tenerife (2010 Jun 02)
Replies: 157
Views: 13743

Re: APOD: A Twisted Meteor Trail Over Tenerife (2010 Jun 02)

I don't think it was 'camera shake'. A deviation on the order of arc-seconds would show up in the stars, especially in the inset. My first question would be: Which end is the tail? Did it enter the atmosphere and somehow acquire angular momentum, or was it already spinning and somehow lose angular ...
by sagian
Thu Jun 03, 2010 12:16 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: A Twisted Meteor Trail Over Tenerife (2010 Jun 02)
Replies: 157
Views: 13743

Re: APOD: A Twisted Meteor Trail Over Tenerife (2010 Jun 02)

I did a quick search for similar photos. Apparently, although uncommon, this isn't a unique phenomenon.

http://www.space.com/imageoftheday/imag ... 50107.html
by sagian
Mon May 28, 2007 6:34 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: A Hole in Mars (APOD 28 May 2007)
Replies: 109
Views: 36940

Does anyone else see the quasi-elliptical depression surrounding this hole? Or is it a rise? Or perhaps it's just a ridge?

It's between about 3 and 6 hole-diameters out, all the way around.