Archive for December, 2008

Hubble finds carbon dioxide in the planet extrassolar

Wednesday, December 10th, 2008

Although the fame of carbon dioxide (CO2) does not walk very good here on Earth, it is good to remember that this is a gas essential to life. At least the forms of life on Earth.

Hence the importance of finding that has been done through images taken by the Hubble Space Telescope, the researchers found carbon dioxide in the atmosphere of a planet orbiting a star other than the sun, a so-called planet extrassolar.

Life outside Earth

The planet is HD 189733 b, the size of Jupiter and too hot to support life - always in the definition of terrestrial life. But Hubble’s observations are a proof that the basic chemistry of life can be detected in very distant planets, orbiting other stars.

The organic compounds - such as CO2 - can also be a by-product of processes of life. Scientists hope a day detect its presence in a planet extrassolar more like the Earth, in what could be the first direct evidence of the existence of life beyond our planet.

Previous Hubble observations made by the Spitzer telescope on the same planet HD 189733 b already had detected water vapor. Earlier this year, the Hubble found methane in the atmosphere of the planet.

New frontier of science

“The Hubble was designed primarily for observations of the distant universe and yet he is opening a new era of research in astrophysics and science compared to the planets,” says scientist Eric Smith, the team’s space telescope.

“These studies begin to determine the atmospheric composition and the chemical processes underway in distant worlds orbiting other stars. The future of this new frontier of science recently opened is extremely promising, since we expect discover many other molecules in atmospheres of exoplanets,” concluded the scientist.

New clashes in Athens, Greece

Wednesday, December 10th, 2008

New clashes happened in Athens today near Parliament, where about 200 youths began throwing rocks and other objects against the police, informed the station “Alpha”.

The radicals are divided between the Parliament and the University of Athens, which are within a distance of about 500 meters, attacking the police, who responded with tear gas, according to the radio “City”.

According to that station, among the demonstrators for several minors.

Reporters of the channel “Alpha” the site reported that the insurgency is much more radical among the demonstrators.

In the vicinity of the university, several people who took coffee in one of the terraces have arisen and started to throw stones against the police, for this to stop attacking the demonstrators, said the channel “Alpha”.

The disturbances occur from today on the same day that is called a general strike of 24 hours across the country in protest against the poor economic situation and in favor of more social justice.

For that reason, some 15 thousand people concentrated in the center of Athens in demonstrations called by major trade unions of workers and civil servants from the private sector and public.

The riots began last Saturday, when Alexandros Grigoropoulos of 15 years, died due to shooting of a police officer in Athens.

So today, the fourth consecutive day of riots and a day after the funeral of the teenager, thousands of students and teachers do demonstrations in the vicinity of Parliament and shout words of order in remembrance of the young man who died.

The Greek television reported that there was also violence in the port city of Thessaloniki in the north of the country, where the police arrested 12 people - most younger than 14 years - who played fruit and stones against the officers.

Police launched tear gas against demonstrators who were sheltered in the premises of the Aristotle University.

There were also violent incidents in Kavala, a city of about 70 thousand inhabitants in northeastern Greece, where protesters have launched objects against the police barracks.

“We left on the streets, despite the fear of incidents,” he said today Chair of the General Confederation of Workers of Greece (GSEE), Andreas Panagopoulos, who announced that the unions convene a new general strike for December 22, the day that Parliament vote the state budget.

Stathis Anestis, spokesman for the GSEE, told AFP in Athens that “the participation of various sectors in the strike was a huge success,” and added that “or the government changes its policy, or change the government.”

Indian airports maintain state of alert against threat of attacks

Saturday, December 6th, 2008

The main airports in India continued this Saturday in a state of alert against the threat of attacks, ten days after the violent attacks against Muslims Mumbai that left 172 dead, official sources announced.

Authorities said it received an email warning of the possibility of attacks against the Indian air bases, which include the taking of hostages and hijacking of airplanes.

The message referred to the day on December 6, 2008, when the 16th anniversary of the destruction of a mosque in northern India by Hindu extremists, action that triggered a dreadful wave of religious violence.

“Security is at its highest level for some time, but after the attacks in Mumbai, all airports in western India and all international airports of the country are in a state of maximum alert,” especially those in the capital New Delhi , From Bangalore (south) and Madras (southeast), said Mushmi CHAKRAVARTY, spokesman of the Ministry of Civil Aviation.

The control of security from boarding in India is already intense a few years ago, but now has been strengthened “to avoid any problem,” said a police officer at the airport in New Delhi.