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A large asteroid passes 'skimming' the Earth

It was about 40 meters in diameter.
on Monday flew to 60,000 kilometers of the Pacific.
came to be seven times closer than the moon.

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The hypothetical impact of an asteroid hit the Earth has been an inspiration for science fiction films, although not impossible to happen.

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In fact, an asteroid between 30 and 40 meters in diameter, a size equivalent to a ten-story building, spent Monday and 60,000 miles of the southeast Pacific, a distance seven times closer than the moon.

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Rob McNaught of the Siding Spring Observatory (Australia), detected the asteroid, called 2009 DD45, on Friday, saying that would miss the Earth "by little."

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"No object of this size has never been observed so close," he said.

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Peter Brown, an astronomer at the University of Ontario (Canada), said it is the one that has come since 1973 and has a similar size to the Tunguska , which ended in 1908 with 2,000 square kilometers of forest in Siberia.

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Salvador Sanchez, director of the Observatory Astronomical Mallorca (OAM), explained to 20 minutes with that diameter "could wipe out 3,000 square kilometers, equivalent to the island of Mallorca."

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According to Sanchez, were found about a thousand dangerous asteroids, while noting that the concern is "the 300,000 objects that cross Earth's orbit and have not been discovered."

. Could
avoid a crash?

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Salvador Sanchez, the ATO said that the United States in 2007 developed a protocol for risk if a large asteroid collision.

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Sanchez says that if you look at the asteroid 15 days in advance can avoid a collision using rockets tugs, which would push to change the orbit.

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With less time, "the only option is nuclear destruction."

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NASA launches the Kepler telescope looking for planets similar to Earth

The U.S. space agency NASA launched from Cape Canaveral on Friday Kepler telescope mounted on a Delta II rocket, on a three-year mission to find planets similar to land in areas near the Milky Way.

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The rocket blasted off from Cape Canaveral, Florida (southern U.S.) at 22H49 (03h49 GMT on Saturday), according to a report from NASA and 62 minutes later entered into orbit successfully.

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The separation of the third stage of the Delta II rocket as it was planned to 721.53 km in altitude.

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Kepler will observe the same point in space for three and a half, or about 100,000 stars in the constellations Cygnus and Lyra in the Milky Way.

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At a cost of nearly $ 600 million, will be the star of the first NASA mission to find Earth-like planets orbiting at distances similar soles able to hold water and therefore high chances of there life.

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"This mission seeks to answer a question that is as old as time - are there other planets like ours out there?" Said Ed Weiler, associate administrator of the board of NASA missions.

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"It is not only a scientific mission is a historic mission."

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The telescope will look in particular relatively small planets, which are neither so hot nor so cold that are rocky and have liquid water, which are conditions for life to exist eseciales said William Borucki, principal investigator for the Kepler project research center NASA Ames, in California (West).

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"Kepler is a key element in NASA's efforts to discover planets that can be found similar to Earth's atmosphere," he said last month at a press conference Jon Morse, director of the Astrophysics Division of the agency space.

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Equipped with the largest camera ever launched into space-a set of equipment of 95-megapixel CCD-known as the Kepler telescope can detect faint glow stars, barely perceptible, seen with the passage of the planets.

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The device weighs 1.03 tons and has a primary mirror 1.4 meters in diameter and opening of 0.95 meters.

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"If Kepler looked a little town on Earth at night from space, could detect a porch lights if someone passes in front," said project manager James Fanson.

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astrophysicist Alan Boss believes that Kepler or the French satellite COROT, which has been in orbit since 2006, can find planets the size of Earth in the coming years.

. COROT
and discovered the smallest alien planet yet. With a little more than twice the diameter of Earth, the planet is very close to its star and is very hot, astronomers reported this month.

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The astronomer Debra Fischer of San Francisco State University, said the NASA mission is a cornerstone in understanding what types of planets formed around other stars.

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The information as required by Kepler said, "will help us to the day when we can see a pale blue dot as our planet, orbiting another star in our galaxy."

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AFP.

Wind Controlling Demon

tickets already sold here for $ 200,000 space

There are 10 recorded
Argentine plan.

With a little imagination, in about three years could receive an Argentine tumbling in space.

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Maybe it does, according to local custom, with the team jersey or your favorite football club on.

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not yet know the name of fellow who will be the first to cross the threshold of the atmosphere, but we do know that Sergio Durante, Byblos Travel, will sell the ticket.

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travel agent, 68, was selected in the country to market the services of Virgin Galactic, which now performs the world premiere of the base Spaceport America, located in New Mexico, USA From there depart to space the mother ships WhiteKnight 2, with the ferry SpaceShip 2.

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Flights for the public begin to take place in the third quarter of next year, on a weekly basis and cost $ 200,000 per person.

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Although the value seems too high, there are 250 prospective passengers from around the world noted, and in Argentina, according to the travel agent, there are about 20 people in a position to do so.

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ten consulted, but can not reveal during their names.

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"It is estimated that by the third year of the first trip rate will drop to about $ 50,000, that is a landmark in the history of travel ...

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is unthinkable to the average human level, but there are people who care for the mere fact that he traveled into space.

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addition, at some point, a TV cost $ 5000 or more, and now in every home, "said Durante, elated, to the nation.

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By way of comparison, said a high-end travel Europe, for four people, can easily cost $ 60,000, which believes that space as a destination - lo and behold! - end becoming a boom.

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"Like, I think that will not happen before the first flight departure and return smoothly, "he said, against any obvious question in this regard.

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How has the trip? Well, after paying the fare, the tourist astronaut base should be moved to Spaceport America, which really works as a luxury hotel, to receive a three-day training.

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Tourists can go with his family, which is included in the fare, and once surpassed that stage would be conditions aboard.

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The total duration of the voyage, since the passenger boards the SpaceShip and return to Earth, takes about three hours, four minutes of which (yes, read well: "Four Minutes") is living the experience of a "world without gravity" outside the orbit of the Earth.

. The tourists

astronauts are allowed, at that point of the journey, give up their seats to fulfill the dream of floating and observed through panoramic windows, the curvature of the Earth.

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The ship has a capacity of six seats, plus the location of the pilots, and return to Earth on its own.

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The entire ship, designed by Burt Rutan, creator of Voyager, an airplane with which in 1986 turned the world without refueling, is a work of unparalleled aeronautical engineering.

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glider is like a triple, composed of carbon alloys, which goes beyond any imagination of science fiction.

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The only option to make space tourism, so far, were the Russian Soyuz spacecraft at a price that was about $ 20 million.

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The galactic journey begins well.

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Once the WhiteKnight 2 amounts to 12 miles high, let go of the SpaceShip 2 so that it can deploy the wings and through self-propelled, can reach a speed of 4000 km per hour.

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That little ship, which travels six tourists, reaching some 110 kilometers of the earth's crust to dive, finally, in the suborbital area.

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The return to Earth takes about 45 minutes [in http://www.youtube.com/ is very convincing simulations].

. SpaceShip 2
The hostess has no food or bathroom. Tourists can not carry hand luggage, let alone cellular phones.

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The only accessory allowed the camera.

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"Among the queries I received, there were some comical. Someone asked me if we were going to the moon I never thought in 30 years of work, who would sell travel into space," During said.

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And among the FAQ also appears the issue of documentation.

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"They have to forget the history to be able to start training, because there are some physical requirements while traveling at 4000 km per hour," said travel agent.

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Preparation includes a ride on a machine "extractor" that subjects the body to a gravity six times higher than normal.

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Moreover, according to Durante, just need your passport and visa to enter the U.S.

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"To enter the stratosphere is not need anything like that, "he added.

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- When do you think you can embark on the first Argentine?

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-Argentines love to travel. I think that in three years will make the first.

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For Franco Varis

Editors of the NATION