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MrGray
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 Posted: Wed Jun 11, 2008 5:47 pm Post subject: |
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Ufo - Southampton 01.06.2008
UFO OVER ALTOONA, PA JUNE 7, 2008
UFO Over Tucson | Over Tucson UFO
UFO behind my house. 10th of June 2008 9:24 PM
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MrGray
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| Posted: Sat Jun 21, 2008 11:14 pm Post subject: |
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MrGray
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| Posted: Mon Jun 23, 2008 6:43 am Post subject: |
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http://ap.google.com/article/ALeqM5hMiXjy4Ur9EkmeNnxqMi5RhhItZAD91F8NI81
Can the Martian arctic support extreme life?
By ALICIA CHANG – 3 hours ago
LOS ANGELES (AP) — Bizarre microbes flourish in the most punishing environments on Earth from the bone-dry Atacama Desert in Chile to the boiling hot springs of Yellowstone National Park to the sunless sea bottom vents in the Pacific.
Could such exotic life emerge in the frigid arctic plains of Mars?
NASA's Phoenix spacecraft could soon find out. Since plopping down near the Martian north pole a month ago, the three-legged lander has been busy poking its long arm into the sticky soil and collecting scoopfuls to bake in a test oven and peer at under a microscope.
There hasn't been a eureka moment yet. But Phoenix turned up a promising lead last week when it uncovered what scientists believe are ice flecks in one trench and an icy layer in another.
Scientists hope experiments by the lander will reveal whether the ice has ever melted and whether there are any organic, or carbon-containing, compounds.
"We're looking for the basic ingredients that would allow life to prosper in this environment," chief scientist Peter Smith of the University of Arizona in Tucson has said in describing the mission's goal.
The discovery of extreme life forms, known as extremophiles, in unexpected nooks and crannies of the Earth in recent years has helped inform scientists in their search for extraterrestrial life.
"It's very suggestive that there are lots of worlds that may support life that at first glance may look like fourth-rate real estate," said Seth Shostak, an astronomer at the SETI Institute, a nonprofit dedicated to the search for extraterrestrial intelligence.
While the possibility for ET seems to grow with new extremophile discoveries on Earth, the truth is there's no evidence that life ever evolved on Mars or if it even exists today.
But if there were past or present life on the red planet — a big if — scientists speculate it would likely be similar to some extreme life on Earth — microscopic and hardy, capable of withstanding colder-than-Antarctica temperatures and low pressures.
"It's going to be microbes. It's not going to be a little green man," said Kenneth Stedman, a biologist with the Center for Life in Extreme Environments at Portland State University.
Under a microscope, extremophiles vary in size and shape. Some resemble miniature corkscrews while others are rods or irregular shapes. Scientists use a dye to distinguish the living ones from the dead.
The Phoenix mission has its limitations beside a shoestring budget of $420 million. It doesn't carry instruments capable of identifying fossils or living things. Rather, the lander has a set of ovens and a gas analyzer that will heat soil and ice and sniff the resulting vapors for life-friendly elements. Its wet chemistry lab will test the pH, or acidity, of the soil much like a gardener would. And its microscope will examine soil granules for minerals that may indicate past presence of water.
Most living things on Earth thrive not only in the presence of water, but also need sunlight, oxygen and organic carbon. But the range of conditions in which life can survive has been expanded with recent discoveries of micro-organisms trapped in glaciers and rocks or living in volcanic vents and battery acid-like lakes.
These extreme conditions on Earth mirror the harsh environments found on Mars and other parts of the solar system. Present day Mars is like a desert with no hint of water on its weathered surface, although studies of rocks suggest the planet was wetter once upon a time.
Most researchers agree life likely cannot develop on the Martian surface, which is bombarded by lethal doses of radiation. But satellite images have revealed a softer side, spying hints of a vast underground store of ice near the red planet's polar regions. Phoenix last week hit what's thought to be an ice layer 2 inches below the surface.
Even if Phoenix uncovers microbe-habitable conditions, a more sophisticated spacecraft would be needed to determine if life was ever there or is present now.
The last time NASA looked for organics was during the 1976 twin Viking missions, which sampled soil near the Martian equator but turned up empty.
Scientists chose to dig in Mars' far north this time because they think it's an analog to Earth's polar regions, which preserve life's building blocks and sometimes even life itself in ice.
Researchers have shown microbes on Earth can be inactive in a deep freeze for thousands of years and resuscitated under the right conditions.
In 2005, NASA researchers announced they revived bacteria that were apparently dormant for 32,000 years in a frozen pond in central Alaska. Earlier this month, Penn State University scientists said they were able to grow in the lab an ultra-small species of bacteria trapped in a Greenland glacier under high pressure and low oxygen for at least 120,000 years.
"There's a lot of amazing things that survive in the cold environments," said Jennifer Loveland-Curtze, a senior research associate at Penn State.
What that means for Mars and other hostile environments is debatable. But scientists are plumbing the depths of Earth for clues to possible life that may exist elsewhere in the universe.
"We need to continue to try to understand what's going on with the extremophiles here on Earth," said Stedman of Portland State University. "The more we learn how extremophiles here are functioning, the more that will inform any kind of future mission." |
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MrGray
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| Posted: Tue Jun 24, 2008 7:51 pm Post subject: |
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Earthman's UFO Aquiring Satellite Project
Listen to the radio broadcast for details.
Top dead center @ www.ufodbase.com
Some big names contacted and serious research done.
Thanks to The Black Vault for doing what you do. |
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MrGray
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| Posted: Thu Jun 26, 2008 5:58 pm Post subject: |
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_________________
"The pioneers of a warless world are the youth that refuse military service."
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MrGray
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| Posted: Fri Jul 04, 2008 1:40 am Post subject: |
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UFO - Washington D.C., USA, July 12, 1952
POLICE Helicopter Chases
UFO sightings in the Hudson Valley (New version)
Midlands UK Triangular UFO Sighting 06/26/2008
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MrGray
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| Posted: Sat Jul 05, 2008 3:04 am Post subject: |
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Scientific American
http://www.sciam.com/article.cfm?id=martian-soil-fit-for-earthly-life
Martian soil around NASA's Phoenix Lander is slightly alkaline and has enough different minerals that it could support Earthly plants and—more to the point—microbes beneath the Martian surface, according to the first results from the probe's wet chemistry experiment released today.
Mission scientists say the soil has a pH between 8 and 9, which places it somewhere around seawater or baking soda in alkalinity. It also contains the minerals magnesium, sodium, potassium and chloride. Further analysis is expected to reveal whether it contains other chemicals such as nitrogen and sulfates. The finding implies that life could indeed survive below the surface, where it would be protected from harmful ultraviolet rays and harsh oxidants that might accumulate on the top layer of soil.
Michael Hecht, lead researcher on Phoenix's Microscopy, Electrochemistry and Conductivity Analyzer (MECA) instrument, at NASA's Jet Propulsion Laboratory in Pasadena, Calif., said it would be safe, if gritty, to sprinkle a spoonful of the soil on your breakfast cereal.
"If you had it on Earth, you could grow something, no problem," MECA co-investigator Samuel Kounaves, chemist at Tufts University, said during a news conference at the University of Arizona in Tucson.
Were astronauts to set up a greenhouse on Mars, Hecht said, they might be able to grow plants that thrive in basic soil, such as asparagus, green beans and turnips; not so strawberries, blueberries and other fruit, however, that require more acidic soil. (So much for a healthy breakfast.)
The results were announced a day after Phoenix's robot arm placed about 0.06 cubic inch (one cubic centimeter) of soil, skimmed from the top inch of dirt at Wonderland, the probe's current dig site, into MECA's wet chemistry experiment, which melted a small block of ice brought from Earth and then dropped the soil into the water for analysis.
"We're making mud, we're stirring it up, we're measuring it with sensors," Hecht said.
The question is whether similar mud exists or previously existed at the site. Coming closer to an answer, Phoenix scientists reported they had finished heating their first soil sample with another instrument, the Thermal and Evolved-Gas Analyzer (TEGA).
As expected, they did not find any evidence of ice; the sample came from the top layer of soil, where frozen ice would have quickly vaporized, as it seemed to do last week.
But TEGA did produce a whiff of water vapor as well as carbon dioxide, implying that the soil was once exposed to liquid water. This confirms earlier findings from Phoenix's fellow surface explorers—the Mars rovers Spirit and Opportunity, still operating at other locations on the Red Planet, have turned up evidence of minerals formed in the presence of water.
Phoenix scientists hope to use such data to determine where and when Martian life might find (or had found) a moist refuge. They are not certain whether the soil baked in TEGA has long been at its present location or whether winds may have blown it there from elsewhere on the planet.
The findings also do not yet paint a picture of the soil at different depths and locations. "It's only part of the story," Kounaves said. "We'll have to see the rest of the story." |
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MrGray
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| Posted: Mon Jul 07, 2008 6:27 am Post subject: |
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UFO - Panama, June 26, 2008
UFO - Southampton, UK, June, 2008
UFO Sighting in TEXAS 2008 analysis
UFO - San Jose, California, April 26, 2008
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MrGray
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| Posted: Fri Jul 11, 2008 8:28 am Post subject: |
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_________________
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Mr_TopSecret00X
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| Posted: Fri Jul 11, 2008 11:56 am Post subject: |
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Hey MG.
You never can tell when it comes to global warming. There are so many theoris completely oposite of each other. |
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We need to unite together towards one goal and be open minded to the possibilities of tomorrow. "Truth and Wisdom" |
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MrGray
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| Posted: Fri Jul 11, 2008 12:19 pm Post subject: |
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| Mr_TopSecret00X wrote: |
Hey MG.
You never can tell when it comes to global warming. There are so many theoris completely oposite of each other. |
True,
One thing is for certain: The globe is heating up rapidly and no matter what the biggest cause is, they are all contributing their part to it. |
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Mr_TopSecret00X
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| Posted: Fri Jul 11, 2008 2:20 pm Post subject: |
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Your rite, they are all contributing to it.
The more and more I read about global warming, the more I get confused. I hate that. I wished there was more stable ground to stand on about global warming.  |
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MrGray
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| Posted: Mon Jul 14, 2008 5:30 pm Post subject: |
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_________________
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MrGray
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| Posted: Fri Jul 18, 2008 6:44 am Post subject: |
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MrGray
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| Posted: Sat Jul 26, 2008 7:53 am Post subject: |
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