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Posts Made By: Linton Rohr

December 2, 2009 11:10 PM Forum: N.A.S.A.

Sandtrapped Rover Makes a Big Discovery

Posted By Linton Rohr
Very interesting...

"The rover's spinning wheels have broken through a crust, and we've found something supremely interesting in the disturbed soil," says Ray Arvidson of the Washington University in St. Louis....
...Sulfates are minerals just beneath the surface that shout to us that they were formed in steam vents, since steam has sulfur in it. Steam is associated with hydrothermal activity – evidence of water-charged explosive volcanism. Such areas could have once supported life."

http://science.nasa.gov/headlines/y2009/02dec_troy.htm?list964104

Linton

December 9, 2009 09:18 PM Forum: After Dark

Strange spiral 'cloud'

Posted By Linton Rohr
You've got to see this strange phenomenon...

This morning in arctic Norway, onlookers were stunned when a gigantic luminous spiral formed in the northern sky. Veteran observers accustomed to the appearance of Northern Lights say they have never seen anything like it. It was neither a meteor nor any known form of atmospheric optics. Rumors that the spiral was caused by the botched launch of a Russian rocket have not yet been confirmed. Visit spaceweather.com for images and eyewitness reports of this mysterious apparition.

Steeeeeeerange! 8O

Linton


December 24, 2009 05:10 AM Forum: Meteorites & Meteors

Space Rock of the Day photo

Posted By Linton Rohr
I thought you guys might like this one...

http://www.rocksfromspace.org/December_24_2009.html

Linton grin


January 1, 2010 09:29 AM Forum: Landscape Photography

New Year's Eve fireworks

Posted By Linton Rohr
Well, I fired up the slide scanner this afternoon (oops, make that yesterday ;^) to digitize some slides I shot 10 years ago tonight.
This was the last time we ever did anything special for New Year's Eve. But it was a good one!
My wife wanted to go someplace where it was summer. Good idea. smile
Linton

January 7, 2010 08:16 AM Forum: LUNATICS

Kaguya lunar video - Wow!

Posted By Linton Rohr
I just watched an excellent video from the Kaguya lunar spacecraft and I have to recommend it to all. Stunning HD footage, interspersed with vintage Apollo scenes, the latest discoveries, and computer generated animations. The best thing I've watched in a long time. (46 minutes)

http://www.slashcontrol.com/free-tv-shows/expedition-week/3669310949-direct-from-the-moon

Did I mention it's highly recommended? wink

Linton

January 18, 2010 10:01 PM Forum: After Dark

Re: Mad Anne Ridge meteorite

Posted By Linton Rohr
The Meteoritical Bulletin has no search results on that name, William.
http://tin.er.usgs.gov/meteor/metbull.php
Could you have the namewrong? Where did it occur?
Further discussion would be welcomed in the Meteorite Forum.
Linton

January 18, 2010 10:07 PM Forum: Meteorites & Meteors

Mad Anne Ridge meteorite?

Posted By Linton Rohr
Anybody heard of this one?
Linton

"Does anyone have any info on the Mad Anne Ridge meteorite that hit
in the early 1960's, I think in December of 1963, but I am not sure?"

The Meteoritical Bulletin has no search results on that name, William.
http://tin.er.usgs.gov/meteor/metbull.php
Could you have the namewrong? Where did it occur?
Further discussion would be welcomed in the Meteorite Forum.
Linton

March 29, 2010 08:27 PM Forum: After Dark

Night Sky/Light Pollution articles

Posted By Linton Rohr
I was happy to see the cover story, Bring Back the Night, in the new Sky & Telescope that arrived a few days ago. Now I've just received the new National Parks magazine (from the NPCA) and it's got a cover story addressing light pollution, as well. Most of the people reading this publication are NOT astronomers, so this will help get the word out to the "general public". The National Geographic cover story, The End of Night, did the same last year on a much bigger scale. I think we are slowly increasing awareness and making headway.
Diamonds in the Sky - Fading Fast is the name of the Nat. Parks article, and for those of you who do not have access to the magazine, here's a link to the web version, without all the photography.
Linton

http://www.npca.org/magazine/2010/spring/fading-fast.html

I have to urge anyone who cares about fighting light pollution to join the IDA, if you haven't already. It's in all of our best interest to support their battle. http://www.darksky.org/~ida/

April 29, 2010 11:32 PM Forum: N.A.S.A.

NASA Science Balloon Crashes

Posted By Linton Rohr
Bad news from Australia...

http://news.yahoo.com/s/space/20100429/sc_space/hugenasascienceballooncrashesinaustralianoutback

Watch the video, too.
Linton

May 18, 2010 07:46 AM Forum: Landscape Photography

Capitol Reef overlook

Posted By Linton Rohr
Hi folks.
From another trip up to Utah in early April, I've put together a panoramic collage consisting of seven verticle frames spanning roughly 160 degrees.
On the left side (west) is the early settlers community of Fruita, complete with original orchards. That's also the location of the visitors center.
The Fremont River and Highway 24 cut through the towering sandstone of the Waterpocket Fold (north/south), the dominant geological feature of the park.
The turnout in the highway is at a petroglyph site. I've hiked up to the edge of a 1000' cliff and am shooting across the river and highway to the north side.
Hidden in a valley just beyond is the impressive Hickman Natural Bridge. Light colored Navajo sandstone domes cap off the red Wingate sandstone cliffs.
I think this one turned out really well. I hope you like it.
Linton

Just up the road is Panorama Point, where I usually do my observing.
I suppose I should try one of these there. wink

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