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Κυριακή 27 Μαΐου 2012

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Look closely and you’ll see two moving objects in this. The most obvious one is a meteor however, more subtly in the middle towards the top right, there’s a small object moving slowly up and that is a fuselage of a Russian rocket breaking up in the upper atmosphere.

A wide field meteor camera at NASA's Marshall Space Flight Center recorded this spectacular meteor breaking up in Earth's atmosphere on Sept. 30, 2011, 8:37 p.m. EDT. Also visible is a star-like object moving slowly toward the upper middle of the field of view -- the upper stage of the Zenit booster that launched the Russian Cosmos 2219 intelligence satellite back in 1992. Orbiting 500 miles above Earth, this empty rocket body can get bright enough to be seen with the unaided eye.

Credit: Meteoroid Environment Office/Bill Cooke

Source: nasa.govhttp://goo.gl/vOIWu

Cosmic Journeys : The Riddle of AntiMatter


Cosmic Journeys The Riddle of AntiMatter


Watch this and other space videos at http://SpaceRip.com

In high-res 1080p. Explores one of the deepest mysteries about the origin of our universe. According to standard theory, the early moments of the universe were marked by the explosive contact between subatomic particles of opposite charge. Featuring short interviews with Masaki Hori, Tokyo University and Jeffrey Hangst, Aarhus University.

Scientists are now focusing their most powerful technologies on an effort to figure out exactly what happened. Our understanding of cosmic history hangs on the question: how did matter as we know it survive? And what happened to its birth twin, its opposite, a mysterious substance known as antimatter? 

A crew of astronauts is making its way to a launch pad at the Kennedy Space Center in Florida. Little noticed in the publicity surrounding the close of this storied program is the cargo bolted into Endeavor's hold. It's a science instrument that some hope will become one of the most important scientific contributions of human space flight.

It's a kind of telescope, though it will not return dazzling images of cosmic realms long hidden from view, the distant corners of the universe, or the hidden structure of black holes and exploding stars.

Unlike the great observatories that were launched aboard the shuttle, it was not named for a famous astronomer, like Hubble, or the Chandra X-ray observatory.

The instrument, called the Alpha Magnetic Spectrometer, or AMS. The promise surrounding this device is that it will enable scientists to look at the universe in a completely new way. 

Most telescopes are designed to capture photons, so-called neutral particles reflected or emitted by objects such as stars or galaxies. AMS will capture something different: exotic particles and atoms that are endowed with an electrical charge. The instrument is tuned to capture "cosmic rays" at high energy hurled out by supernova explosions or the turbulent regions surrounding black holes. And there are high hopes that it will capture particles of antimatter from a very early time that remains shrouded in mystery.

The chain of events that gave rise to the universe is described by what's known as the Standard model. It's a theory in the scientific sense, in that it combines a body of observations, experimental evidence, and mathematical models into a consistent overall picture. But this picture is not necessarily complete.

The universe began hot. After about a billionth of a second, it had cooled down enough for fundamental particles to emerge in pairs of opposite charge, known as quarks and antiquarks. After that came leptons and antileptons, such as electrons and positrons. These pairs began annihilating each other.

Most quark pairs were gone by the time the universe was a second old, with most leptons gone a few seconds later. When the dust settled, so to speak, a tiny amount of matter, about one particle in a billion, managed to survive the mass annihilation. 

That tiny amount went on to form the universe we can know - all the light emitting gas, dust, stars, galaxies, and planets. To be sure, antimatter does exist in our universe today. The Fermi Gamma Ray Space Telescope spotted a giant plume of antimatter extending out from the center of our galaxy, most likely created by the acceleration of particles around a supermassive black hole. 

The same telescope picked up signs of antimatter created by lightning strikes in giant thunderstorms in Earth's atmosphere. Scientists have long known how to create antimatter artificially in physics labs - in the superhot environments created by crashing atoms together at nearly the speed of light.

Here is one of the biggest and most enduring mysteries in science: why do we live in a matter-dominated universe? What process caused matter to survive and antimatter to all but disappear? One possibility: that large amounts of antimatter have survived down the eons alongside matter.

In 1928, a young physicist, Paul Dirac, wrote equations that predicted the existence of antimatter. Dirac showed that every type of particle has a twin, exactly identical but of opposite charge. As Dirac saw it, the electron and the positron are mirror images of each other. With all the same properties, they would behave in exactly the same way whether in realms of matter or antimatter. It became clear, though, that ours is a matter universe. The Apollo astronauts went to the moon and back, never once getting annihilated. Solar cosmic rays proved to be matter, not antimatter.

It stands to reason that when the universe was more tightly packed, that it would have experienced an "annihilation catastrophe" that cleared the universe of large chunks of the stuff. Unless antimatter somehow became separated from its twin at birth and exists beyond our field of view, scientists are left to wonder: why do we live in a matter-dominated universe?

Σάββατο 26 Μαΐου 2012

FACE FOR GALAXY


We can see who visited our profile?
What explains the actual Facebook

It is very common for unscrupulous individuals trying to spreadmalicious applications and other malevolent account the cheatingchristestou Facebook.

The most classic example is applications and publications are thosewho say they can see who visited your profile.

Eg "65 people have seen my profile this week65 people have seenmy profile today. Check your own at ... "

It explains itself but Facebook does not offer any application or groupthe necessary technical means to track who is watching your profile (Chronology), nor to see statistics that show who and how often yousee a particular content.

Moreover explains that if an application claims to offer this feature, the user should be reported in the "Information" in the application by pressing "Report application" at the bottom of the page or"Reference" at the bottom of any page of the application.

Touched by a Wild Mountain Gorilla (HD Version)

An amazing chance encounter with a troop of wild mountain gorillas near Bwindi National Park, Uganda

Spectacular Time Lapse Dam "Removal" Video



October 28, 2011 — The White Salmon River in Washington state is flowing again as the nearly 100-year-old Condit Dam was disabled with explosives Wednesday. The reservoir draining took about 2 hours. Further demolition is scheduled in 2012. The event is a significant milestone for river restoration and dam removal nationwide.

PLANET EARTH.


EARTH AND STARS



The Mountain from TSO Photography on Vimeo.
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This was filmed between 4th and 11th April 2011. I had the pleasure of visiting El Teide.
Spain´s highest mountain @(3718m) is one of the best places in the world to photograph the stars and is also the location of Teide Observatories, considered to be one of the world´s best observatories.

The goal was to capture the beautiful Milky Way galaxy along with one of the most amazing mountains I know El Teide. I have to say this was one of the most exhausting trips I have done. There was a lot of hiking at high altitudes and probably less than 10 hours of sleep in total for the whole week. Having been here 10-11 times before I had a long list of must-see locations I wanted to capture for this movie, but I am still not 100% used to carrying around so much gear required for time-lapse movies.

A large sandstorm hit the Sahara Desert on the 9th April (http://bit.ly/g3tsDW) and at approx 3am in the night the sandstorm hit me, making it nearly impossible to see the sky with my own eyes.

Interestingly enough my camera was set for a 5 hour sequence of the milky way during this time and I was sure my whole scene was ruined. To my surprise, my camera had managed to capture the sandstorm which was backlit by Grand Canary Island making it look like golden clouds. The Milky Way was shining through the clouds, making the stars sparkle in an interesting way. So if you ever wondered how the Milky Way would look through a Sahara sandstorm, look at 00:32.

Available in Digital Cinema 4k.

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Music by my friend: Ludovico Einaudi - "Nuvole bianche" with permission.
Please support the artist here:
http://itunes.apple.com/us/album/una-mattina/id217799399

Thank you to my sponsors:
http://www.canon.com
http://www.g-technology.eu
http://dynamicperception.com/