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The warped leftovers from a rare star explosion may be hiding the youngest black hole in our galaxy, a new study reveals.
The supernova remnant, called W49B, is about 1,000 years old as seen from Earth, and it is located about 26,000 light-years away. Scientists suspect it met an unusual demise.
"W49B is the first of its kind to be discovered in the galaxy," study lead author Laura Lopez of MIT said in a statement. "It appears its parent star ended its life in a way that most others don't." Lopez and her team unveiled a dazzling video tour of the supernova remnant during a Feb. 13 announcement.
Typically, when a star reaches the end of its life and explodes in a supernova, it shoots stellar material away from its center more or less evenly in all directions, creating a relatively symmetrical cosmic object.
But this didn't happen with the W49B explosion, scientists say. The star's poles ejected debris more rapidly than its equator did, resulting in a supernova remnant with a distinctly asymmetrical shape.
Supernovas tend to leave behind an extremely dense spinning core called a neutron star, which often can be detected through X-ray or radio pulses. But scientists using data from NASA's Chandra X-ray Observatory found no evidence for a neutron star, which makes them believe a black hole might have formed in the supernova instead.
At just 1,000 years old (not including light travel time), this could be the youngest black hole formed in our Milky Way galaxy, scientists say.
"It's a bit circumstantial, but we have intriguing evidence the W49B supernova also created a black hole," said co-author Daniel Castro, also of MIT. "If that is the case, we have a rare opportunity to study a supernova responsible for creating a young black hole."
Supernova explosions are not well understood, and extreme cases like W49B that are relatively close to Earth could allow for detailed study, scientists say.
The research was detailed in the Feb. 10 issue of the Astrophysical Journal.
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Copyright 2013 SPACE.com, a TechMediaNetwork company. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.Source: http://news.yahoo.com/rare-star-explosion-creates-galaxys-youngest-black-hole-115516887.html
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A supporter of Venezuela' s President Hugo Chavez holds up a sign that reads in Spanish "Love with love my president" as she attends a celebration marking his return to his country at Bolivar square in Caracas, Venezuela, Monday, Feb. 18, 2013. Chavez returned to Venezuela early Monday after more than two months of treatment in Cuba following cancer surgery, his government said, triggering street celebrations by supporters who welcomed him home while he remained out of sight at Caracas' military hospital. (AP Photo/Fernando Llano)
A supporter of Venezuela' s President Hugo Chavez holds up a sign that reads in Spanish "Love with love my president" as she attends a celebration marking his return to his country at Bolivar square in Caracas, Venezuela, Monday, Feb. 18, 2013. Chavez returned to Venezuela early Monday after more than two months of treatment in Cuba following cancer surgery, his government said, triggering street celebrations by supporters who welcomed him home while he remained out of sight at Caracas' military hospital. (AP Photo/Fernando Llano)
In this photo provided by Miraflores Presidential Press Office, Venezuela's Vice President Nicolas Maduro, left, smiles during a meeting with Bolivia's President Evo Morales in Caracas, Venezuela, Tuesday, Feb. 19, 2013. Morales is in Caracas Tuesday to visit Venezuela's President Hugo Chavez, who is back home after 10 weeks of cancer treatment in Cuba. (AP Photo/Miraflores Presidential Office)
Supporters of Venezuela's President Hugo Chavez pray for his health during a Mass at the Ministry of Education headquarters in Caracas, Venezuela, Tuesday, Feb. 19, 2013. Chavez is back in Venezuela after 10 weeks of cancer treatment in Cuba, but he remained silent and out of sight on Tuesday, closed away in a tightly guarded military hospital, leaving the nation to speculate about whether he can still govern, and for how long. (AP Photo/Ariana Cubillos)
A man reads a local newspaper covered with pictures of supporters of Venezuela's President Hugo Chavez, in a plaza in Caracas, Venezuela, Tuesday, Feb. 19, 2013. Chavez is back in Venezuela after 10 weeks of cancer treatment in Cuba, but he remained silent and out of sight on Tuesday, closed away in a tightly guarded military hospital, leaving the nation to speculate about whether he can still govern, and for how long. (AP Photo/Ariana Cubillos)
A man dressed in costume as one of Venezuela's forefathers, Francisco de Miranda, walks along a pedestrian street in Caracas, Venezuela, Tuesday, Feb. 19, 2013. Venezuela's President Hugo Chavez is back in Venezuela after 10 weeks of cancer treatment in Cuba, but he remained silent and out of sight on Tuesday, closed away in a tightly guarded military hospital, leaving the nation to speculate about whether he can still govern, and for how long. (AP Photo/Ariana Cubillos)
CARACAS, Venezuela (AP) ? Hugo Chavez's sudden return to Venezuela after more than two months of cancer treatments in Cuba has fanned speculation that the president could be preparing to relinquish power and make way for a successor and a new election.
The government is insisting that Chavez remains in charge, playing an upbeat jingle on state television Tuesday with the message: "He's back, he's back!" But political analysts said he could soon take the oath of office in a delayed swearing-in ceremony as a first step toward a formal resignation, and a transition of power. Taking the oath, however, wouldn't be required for the country's congress and Supreme Court to call a new election.
Chavez remained silent and out of sight a day after his return was announced on his Twitter account Monday. The government said he was continuing unspecified medical treatments at Caracas' military hospital.
"The big question, beyond where the president is, is whether the president is capable of governing," said Mariana Bacalao, a professor of public opinion at the Central University of Venezuela. She said it seems unlikely that Chavez would be able to overcome his illness.
Even the state newspaper Correo del Orinoco referred to the possibility of a new election in its Monday edition. The top headline, published before Chavez's announced return, reported on a survey by the pollster Hinterlaces that showed Vice President Nicolas Maduro with a double-digit lead over opposition leader Henrique Capriles if a vote were held.
Chavez hasn't spoken publicly since before his latest cancer surgery in Cuba on Dec. 11, and critics are questioning whether a leader who has been breathing through a tube and is unable to appear in public is now capable of remaining in office.
"This tension isn't sustainable for much longer. Now that he's here, they can't let another 70 days pass for an image to appear or for him to speak," Bacalao said. "There has to be a convincing response because people are waiting for an outcome."
Chavez's political allies have left open the possibility that the president may finally take the oath of office, a ceremony originally scheduled for last month. But they have given few precise details about his cancer or what sort of "complex and tough" treatment he is undergoing.
Aides and politicians in Chavez's camp have said he should be given as much time as he needs to recover.
"We can't demand anything more of Chavez. Now we have to see how we can help more, being more efficient, more productive," Aragua state Gov. Tareck El Aissami said on state television on Tuesday.
Bolivian President Evo Morales, a friend and ally of Chavez, made a brief visit to Caracas on Tuesday and arrived at the military hospital together with Maduro. Morales left the hospital later without speaking to reporters.
Chavez's return came less than three days after the government released the first photos of the president in more than two months, showing him in a bed looking bloated and smiling alongside his daughters.
The government has yet to release any images of the president in Caracas. But as soon as his return was announced on Monday, supporters held upbeat street celebrations and set off fireworks.
The way the government has played his return seems one more attempt to take advantage of the situation and "keep the government political class in power," said Jose Vicente Carrasquero, a political science professor at Simon Bolivar University in Caracas.
The 58-year-old Chavez was re-elected to a new six-year term in October, and his inauguration, originally scheduled for Jan. 10, was indefinitely postponed by lawmakers despite complaints by the opposition. The Supreme Court upheld the decision and said the president could be sworn in at a later date before the court.
Carrasquero said he sees Chavez's eventual swearing-in ceremony as an obligation for the government.
"Once the swearing-in is performed, in my opinion we're facing three possible scenarios: one is that the president resigns immediately and elections are called more or less quickly," Carrasquero said, adding that other possible scenarios would include declaring a temporary, 90-day absence of the president, which could be extended for another 90 days.
A third scenario would be the status quo, Carrasquero said, but sooner or later, a new presidential vote seems "inevitable." He and other analysts say it's hard to predict how long that might take.
The Venezuelan Constitution says that if a president dies or steps down, a new vote must be called and held within 30 days. Chavez raised that possibility before he left for Cuba in December by saying that if necessary, Maduro should run in a new election to replace him.
Asked about Chavez's return, U.S. State Department spokeswoman Victoria Nuland noted the possibility of a new vote.
"It is obviously a matter for Venezuelans to decide how the transition is going to take place," Nuland told reporters in Washington on Tuesday. She said "we would hope that that election would be free and fair and balanced," and that there would be open media access.
On Monday night, Maduro and other Cabinet ministers held hands and prayed in a televised gathering where a priest and a minister offered words of thanks for Chavez's return.
"He will live and he will triumph," Maduro said earlier while leading a Cabinet meeting on Monday night. As the meeting ended, on television an image of Chavez's face was superimposed on the oval-shaped table.
Officials have confirmed that Chavez is breathing through a tracheal tube, but it's unclear if he is breathing on his own or is relying on a ventilator.
"It is possible that he has a tracheostomy without being ventilator-dependent, although it isn't clear why that would be the case," said Dr. Steve Hahn, a professor of radiation oncology at the University of Pennsylvania's Perelman School of Medicine.
Hahn, who is not involved in Chavez's treatment, said swallowing usually becomes difficult, though not impossible, for patients who have undergone the procedure and have a hole in the windpipe.
The alternatives for patients who can no longer swallow include a tube coming out of the stomach or the nose, or intravenous feeding, Hahn said. "The patient may not be receiving IV fluids or antibiotics, although they often are."
Hahn said that given Chavez's treatment regimen and evolution, he could have a low-grade sarcoma that is continuing to come back.
"It certainly sounds like he is receiving palliative chemotherapy," Hahn said. "It does sound as if his situation is incurable and most likely end-stage."
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Associated Press writers Fabiola Sanchez and Ian James in Caracas, Paola Flores in La Paz, Bolivia, and Bradley Klapper in Washington contributed to this report.
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"I'm teaching him." Paul said, "I look to him to tell me what to do," Caleb said.
Talk about role reversal.
Back in the early 1980's Paul was The Emmaus Eagle's Most Valuable Player, until he quit school and left the team.
"I went back to the farm and had six kids, always wanting to go back to school," Paul said.
More than three decades later, that's just what he is doing. While his legs don't move as fast as they did back then, Paul holds his own against the young guys.
"He's a phenomenal passer," said Caleb. "He's got great vision and quick hands. "
In some ways Paul is his team's secret weapon by being a crowd favorite.
"At an away game, he throws up a granny shot from half court and just drains it. And the whole crowd goes nuts, " said Caleb.
Paul's reality is re-living his youth. Something so many of us never get to do.
"It's a dream come true," said the elder Rooter along side the one person who's kept him young all these years.
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The two-week window for using the franchise tag opens.? Every team can use the franchise tag on one player they can?t afford to lose, but have been unable to work out a long-term deal out with yet. Here is a list of the tentative tag numbers by position:
| POSITION | FRANCHISE TAG COST |
| Quarterback | $14.642 |
| Defensive End | $10.984 |
| Cornerback | $10.668 |
| Wide Receiver | $10.357 |
| Offensive Lineman | $9.660 |
| Linebacker | $9.455 |
| Defensive Tackle | $8.306 |
| Running Back | $8.079 |
| Safety | $6.798 |
| Tight End | $5.962 |
| Kicker/Punter | $2.926 |
Last year, 21 teams took advantage of the franchise tag, and we can expect to see a number high again with players like Joe Flacco, Jarius Byrd, Ryan Clady, and Victor Cruz set to hit the market.
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Topics: Free Agency, NFL Franchise Tag, NFL News
Source: http://stripehype.com/2013/02/18/nfl-free-agency-the-game-of-franchise-tag-begins/
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HTC has been struggling to get an edge against market leader Samsung when it comes to getting critical mass in Android smartphones, so during today's launch of HTC's newest HTC One flagship phone, the company took another route beyond hardware to promote itself, with introduction of Blink Feed, a new service that aggregates content into a single activity feed that appears on your homescreen as part of the updated HTC Sense UI.Source: http://feedproxy.google.com/~r/Techcrunch/~3/hT_1QObJvvw/
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CARACAS, Venezuela (AP) ? Venezuelan President Hugo Chavez returned home to Venezuela early Monday after more than two months of medical treatment in Cuba following cancer surgery.
Chavez announced his return in a series of message on his Twitter account, saying "we will continue our treatment here."
They were the first messages to appear on Chavez's Twitter account since Nov. 1.
"I'm clinging to Christ and trusting in my doctors and nurses," Chavez said in another tweet. "Onward toward victory always!! We will live and we will triumph!!"
Vice President Nicolas Maduro said on television that Chavez at arrived at 2:30 a.m. and was at a military hospital in Caracas.
Chavez also thanked Fidel and Raul Castro, who have overseen his treatment in Cuba, and thanked his country's people "for so much love."
Chavez's return to Caracas came less than three days after the government released the first photos of the president in more than two months, showing images of him smiling alongside his daughters.
The 58-year-old president hasn't spoken publicly since he left for Cuba on Dec. 10. He underwent his fourth cancer-related surgery on Dec. 11, and the government says he is now breathing through a tracheal tube that makes talking difficult.
Chavez is also undergoing other treatments that have not been specified.
He has been receiving cancer treatment in Cuba on-and-off since June 2011. He has said he has had tumors removed from his pelvic region and has undergone chemotherapy and radiation treatment.
Throughout the treatments, Chavez has not revealed the type of cancer or the exact location of the tumors.
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Ian James on Twitter: http://twitter.com/ianjamesap
Source: http://news.yahoo.com/president-chavez-returns-venezuela-cuba-094727380.html
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