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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
[OT]Funny, as there's one in the climate change denialosphere who happily claimed it was CO2 snowing in the Antarctic [Think it was Steve Goddard]. On earth solid CO2 exists in form of clathrate hydrates [kind of a crystallized mesh] on and in the ocean seabeds, cold and under high pressure. It's thought that the swallowing of ships in the Bermuda triangle is/was caused by the acute boil-out of such clathrates. It only needs little change to cause these natural hydrates to change state, where the term clarthrate gun comes from.
Here's a picture of a natural vent photographed this year in the permafrost regions: Dr. Katey Anthony flares a methane seep in an Alaskan lake. Dr. Anthony has identified over 100,000 methane sources. Image captured from Youtube video. |
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Dataman
Ace Cruncher Joined: Nov 16, 2004 Post Count: 4865 Status: Offline Project Badges:
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Thin skin but it's not made of brie.
----------------------------------------Tandem satellites probe the Moon's interior First results from NASA gravity mapping mission suggests a thin lunar crust. http://www.nature.com/news/tandem-satellites-probe-the-moon-s-interior-1.11419 ![]() ![]() |
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Dataman
Ace Cruncher Joined: Nov 16, 2004 Post Count: 4865 Status: Offline Project Badges:
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The last flight: http://www.nasa.gov/mission_pages/shuttle/main/index.html
----------------------------------------The next flight: http://www.nasa.gov/exploration/commercial/crew/boeing-fhs.html ![]() ![]() |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Curiosity came across an interesting feature in the Gale Crater plain... http://www.bbc.co.uk/news/science-environment-19654831
Quote: "It's a cool looking rock with almost pure pyramidal geometry," said Prof John Grotzinger, the mission's lead scientist." Maybe there were pyramid builders on Mars, except much smaller ;D |
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Dataman
Ace Cruncher Joined: Nov 16, 2004 Post Count: 4865 Status: Offline Project Badges:
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... and the discoveries just keep coming.
----------------------------------------NASA Rover Finds Old Streambed on Martian Surface http://www.nasa.gov/mission_pages/msl/news/msl20120927.html ![]() ![]() |
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littlepeaks
Veteran Cruncher USA Joined: Apr 28, 2007 Post Count: 748 Status: Offline Project Badges:
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This should be interesting:
Students at the BrownUniversity are developing an amateur radio satellite called EQUiSat that will carry an interesting optical beacon. The bird will use a Xenon Flash Tube that should be visible to the unaided eye of observers on Earth. A radio beacon is planned to operate in the 435 to 438 MHz range. Launch is hoped for in the 2015 time frame into an orbit of about 300 kilometers. That should give the satellite a life-time of a couple of months. |
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David Autumns
Ace Cruncher UK Joined: Nov 16, 2004 Post Count: 11062 Status: Offline Project Badges:
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branjo
Master Cruncher Slovakia Joined: Jun 29, 2012 Post Count: 1892 Status: Offline Project Badges:
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An asteroid is coming, and scientists are excited. Fear not, Earth is safe
----------------------------------------It is heading toward Earth at 17,450 miles per hour, according to NASA, and the tug of our planet's gravitational field will cause it to accelerate when it gets here. But it's not going to strike us, when it passes by on February 15. NASA is adamant about this. "Its orbit is very well-known," said Dr. Don Yeomans, NASA specialist for near-Earth objects. "We know exactly where it's going to go, and it cannot hit the Earth." But it will give the Blue Planet the closest shave by any object its size in known history, Yeomans said. Gravity will cause it to fly a curved path, tugging it closer to Earth's surface than most GPS or television satellites. ![]() ![]() Crunching@Home since January 13 2000. Shrubbing@Home since January 5 2006 ![]() |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Solar "wind" energy source discovered: http://science.nasa.gov/science-news/science-at-nasa/2013/08mar_solarwind/ with a spacevehicle called... Wind, still using space hardened tape recorder to capture data and play back.
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twilyth
Master Cruncher US Joined: Mar 30, 2007 Post Count: 2130 Status: Offline Project Badges:
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New comet 'Siding Spring' is 5 to 30 miles in diameter and could hit Mars in 2014. Will be visible with binoculars and should spawn meteor showers.
----------------------------------------The newly discovered comet C/2013 A1 was detected for the first time on January 3, 2013, by Robert H. McNaught, a Scottish-Australian astronomer and avid comet observer. McNaught, who has discovered 74 new comets, took part in the Siding Spring Survey program that searches for asteroids that may pose a threat to Earth. He discovered Comet Siding Spring at Siding Spring Observatory in New South Wales, Australia, using the 0.5-meter Uppsala Schmidt Telescope. more at link ![]() ![]() |
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