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Palestine: Three Palestinians killed, incl 3 year-old child, in Israeli airstrikes on Gaza City

Palestine: Dozens Palestinians abducted by Israeli forces in West Bank, Jerusalem

Palestine: Israeli army demolishes cave housing family near Bethlehem

Palestine: Several Palestinians kidnapped by Israeli forces in West Bank, Israeli settlers attack cars

Palestine: Israel bombs Gaza, withdraws negotiators from Cairo

Pakistan: 18 suspected militants killed in fresh NWA, Khyber airstrikes

US: Ferguson curfew lifted, Obama appeals for restraint

Iraq: Obama says Mosul Dam retaken from extremists with US help

Palestine: Palestinian female detainee denied family visits since her arrest in 2012

Palestine: Nine Palestinians kidnapped by Israeli soldiers from West Bank, Jerusalem

Palestine: Israeli army detonates two homes in Hebron, seals one with concrete blocs

Palestine: Six Palestinians kidnapped by Israeli forces in West Bank

Syria: Airstrikes kill 31 terrorists in Raqqa city

Palestine: Body recovered in Shujaiyya a month after ‘massacre’ by Israel

Palestine: Hamas says Israel stalling on agreement as Gaza death toll hits 2016

US: Curfew imposed for second night in Ferguson, Missouri

Palestine: Palestinian arrested filming Israeli settlers throwing stones in W Bank

Israel: 5 of 64 Israeli soldiers killed in Gaza invasion were killed by ‘Friendly Fire’

Chile: Stars seen forming perilously close to black hole

6th Apr 2013

WASHINGTON, (Xinhua): Astronomers using a telescope in Chile say they have spotted signs of star formation perilously close to the supermassive black hole at the center of the Milky Way Galaxy.

 

If confirmed, it would be the first time that star formation was observed so close to the galactic center, according to researchers at the Northwestern University in America.

 

The center of our galaxy, 27,000 light-years away in the direction of the constellation Sagittarius, is home to a monstrous black hole with a mass of four million Suns. Extending outward from this gravitational behemoth for many light-years is a turbulent region of space that is thought to be wracked by such extreme tidal forces that any star-forming clouds of dust and gas would be stretched thin and shredded long before infant stars could emerge.

 

“People think it is very hard to form stars near a supermassive black hole,” said lead author Farhad Zadeh of the Northwestern University in a statement. “But what we seem to have found are patches of dust and gas that have become so dense that they are able to overcome their inhospitable surroundings.”

 

Astronomers using the Atacama Large Millimeter/submillimeter Array in Chile spotted telltale jets of material bursting out of what appear to be dense cocoons of gas and dust. These jets, if they were observed in more placid surroundings, would indicate the formation of a young star.

 

“What we see in these images from ALMA are outflows that appear very much like what we see in star-forming regions elsewhere in galaxy,” said Zadeh.

 

These molecular clouds may have become so massive and dense, possibly by colliding together, that they cross the all-important threshold that allows internal gravity to take over, starting a chain of events that inexorably leads to the birth of a new star, he said.

 

The results were published Friday in the Astrophysical Journal Letters.

 

Editor: Tang Danlu

 

http://news.xinhuanet.com/english/sci/2013-04/06/c_132287671.htm

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