Powerful cosmic blast as black hole shreds star

[Ringel05]

Astronomers have spied a star's swan song as it is shredded by a black hole.
Researchers suspect that the star wandered too close to the black hole and got sucked in by the huge gravitational forces.
The star's final moments sent a flash of radiation hurtling towards Earth.
The energy burst is still visible by telescope more than two-and-a-half months later, the researchers report in the journal Science.

Cool!

BBC News - Powerful cosmic blast as black hole shreds star

 

[Douger]

Black holes, brown dwarfs, sun storms. Anyone bringing marshmallows ?

 

[CrusaderFrank]

What a refreshing relief to get real science news

 

[Trajan]

Christ, thank god, I thought this was another Wiener thread.....

 

[Ringel05]

Christ, thank god, I thought this was another Wiener thread.....

 

[daveman]

[ame=http://www.youtube.com/watch?v=cJzV0_SaV-k]YouTube - ‪Rush - Cygnus X 1 - [HD Remastered]‬‏[/ame]

 

[CrusaderFrank]

Black holes were first postulated by Einsteins General Theory of Relativity. I was watching Michio Kaku discuss the rigorous testing of this theory and he said that all of its premises have proved correct. If there was even one data point that was not borne out by testing they would have had to discard the entire theory.

 

[Ringel05]

Black holes were first postulated by Einsteins General Theory of Relativity. I was watching Michio Kaku discuss the rigorous testing of this theory and he said that all of its premises have proved correct. If there was even one data point that was not borne out by testing they would have had to discard the entire theory.

Too bad that sentiment isn't carried throughout the entire scientific community.

 

[konradv]

What a refreshing relief to get real science news

Why? Did they create a black hole in a lab? How do you know they even exist, otherwise? Faith?

 

[CrusaderFrank]

What a refreshing relief to get real science news

Why? Did they create a black hole in a lab? How do you know they even exist, otherwise? Faith?

They still don't KNOW that they exist, real physicists have the training and lack the required perverted dogma and arrogance to call it "Settled science".

It fits all the data points and unlike ever showing how a 200PPM increase in CO2 raises temperatures by 5-7 degrees, general relativity has succeeded every time its been tested.

 

[konradv]

What a refreshing relief to get real science news

Why? Did they create a black hole in a lab? How do you know they even exist, otherwise? Faith?

They still don't KNOW that they exist, real physicists have the training and lack the required perverted dogma and arrogance to call it "Settled science".

It fits all the data points and unlike ever showing how a 200PPM increase in CO2 raises temperatures by 5-7 degrees, general relativity has succeeded every time its been tested.

So what? Everytime I put CO2 into a spectrophotometer it absorbs IR radiation. That appears to be about as "settled" as you can get. Seems like you have your panties in a knot because of the "settled science" thing. It just shows me that you don't really care about the science, since this is all just a political exercise for you. I think a lot of the deniers' total thinking about the subject comes down to "Gore believes it, so I can't believe it". That isn't science, that's politics!!!

 

[daveman]

Why? Did they create a black hole in a lab? How do you know they even exist, otherwise? Faith?

They still don't KNOW that they exist, real physicists have the training and lack the required perverted dogma and arrogance to call it "Settled science".

It fits all the data points and unlike ever showing how a 200PPM increase in CO2 raises temperatures by 5-7 degrees, general relativity has succeeded every time its been tested.

So what? Everytime I put CO2 into a spectrophotometer it absorbs IR radiation. That appears to be about as "settled" as you can get. Seems like you have your panties in a knot because of the "settled science" thing. It just shows me that you don't really care about the science, since this is all just a political exercise for you. I think a lot of the deniers' total thinking about the subject comes down to "Gore believes it, so I can't believe it". That isn't science, that's politics!!!

Do you think the Earth's atmosphere is as simple as a container of CO2 in a spectrometer?

And it's funny, isn't it, that CO2 lasers put out infrared? Seems like it does a very poor job of capturing and holding energy if it gives up IR so easily. It's so ready to release energy, in fact, that CO2 lasers can approach 20% efficiency. Not too shabby.

 

[waltky]

Wise space telescope finds more blackholes...

Supermassive black holes and hot galaxies in giant haul
30 August 2012 - A space telescope has added to its list of spectacular finds, spotting millions of supermassive black holes and blisteringly hot, "extreme" galaxies.

The finds, by US space agency Nasa's Wide-Field Infrared Survey Explorer (Wise), once lay obscured behind dust. But Wise can see in wavelengths correlated with heat, seeing for the first time some of the brightest objects in the Universe. The haul will help astronomers work out how galaxies and black holes form. It is known that most large galaxies host black holes at their centres, sometimes feeding on nearby gas, dust and stars and sometimes spraying out enough energy to halt star formation altogether. How the two evolve together has remained a mystery, and the Wise data are already yielding some surprises.

Wise gives astronomers what is currently a unique view on the cosmos, looking at wavelengths of light far beyond those we can see but giving information that we cannot get from wavelengths we can. Among its other discoveries, in 2011 Wise spotted in a "Trojan" asteroid ahead of the Earth in its orbit. But with the latest results, Wise has come into its own as an unparalleled black hole hunter. "We've got the black holes cornered," said Daniel Stern of Nasa's Jet Propulsion Laboratory (JPL), lead author of one of the three studies presented on Wednesday.

Wise has been able to see objects not visible to past science instruments

Dr Stern and his colleagues used the Nuclear Spectroscopic Telescope Array (Nustar) space telescope to examine the X-rays coming out of the black hole candidates spotted by Wise, presenting their findings in a paper to appear in Astrophysical Journal. "Wise is finding them across the full sky, while Nustar is giving us an entirely new look at their high-energy X-ray light and learning what makes them tick," he said. The other two studies presented - one already published in Astrophysical journal and another yet to appear - focussed on extremely hot, bright galaxies that have until now remained hidden: hot dust-obscured galaxies, or hot-Dogs.

There are so far about 1,000 candidate galaxies, some of which can out-shine our Sun by a factor of 100 trillion. "These dusty, cataclysmically forming galaxies are so rare Wise had to scan the entire sky to find them," said Peter Eisenhardt of JPL, lead author of the paper describing Wise's first hot-Dog find. "We are also seeing evidence that these record-setters may have formed their black holes before the bulk of their stars. The 'eggs' may have come before the 'chickens'." The data from the Wise mission are made publicly available so that scientists outside the collaboration can also carry out their own studies, so the future will hold a wealth of studies from these extreme and otherwise hidden corners of the Universe.

BBC News - Supermassive black holes and hot galaxies in giant haul

See also:

Einstein's space 'ripples' confirmed
Aug. 28 (UPI) -- Entangled white dwarf stars have proved Einstein's theory that moving objects create subtle ripples in the fabric of space-time, U.S. astronomers say.

Einstein's theory of general relativity predicts moving objects create the ripples, called gravitational waves, and astronomers have used a pair of white dwarf stars so close together they make a complete orbit in less than 13 minutes to confirm it, a release from the Harvard-Smithsonian Center for Astrophysics reported Tuesday.

Gravitational waves are notoriously difficult to observe and have been detected only indirectly by radio astronomy, but the white dwarf pair has allowed astronomers to detect the same effect at optical wavelengths, the release said. "Every six minutes the stars in [the system] J0651 eclipse each other as seen from Earth, which makes for an unparalleled and accurate clock some 3,000 light-years away," study lead author J.J. Hermes at the University of Texas at Austin said.

Gravitational waves created by the stars should carry away energy, causing them to inch closer together and orbit each other faster and faster, and the researchers said they were able to detect this effect in J0651. "Compared to April 2011, when we discovered this object, the eclipses now happen six seconds sooner than expected," team member Mukremin Kilic of the University of Oklahoma said. "This result marks one of the cleanest and strongest detections of the effect of gravitational waves," researcher Warren Brown of the Smithsonian Astrophysical Observatory said. "This is a general relativistic effect you could measure with a wrist watch."

Source

 

[martybegan]

Why? Did they create a black hole in a lab? How do you know they even exist, otherwise? Faith?

They still don't KNOW that they exist, real physicists have the training and lack the required perverted dogma and arrogance to call it "Settled science".

It fits all the data points and unlike ever showing how a 200PPM increase in CO2 raises temperatures by 5-7 degrees, general relativity has succeeded every time its been tested.

So what? Everytime I put CO2 into a spectrophotometer it absorbs IR radiation. That appears to be about as "settled" as you can get. Seems like you have your panties in a knot because of the "settled science" thing. It just shows me that you don't really care about the science, since this is all just a political exercise for you. I think a lot of the deniers' total thinking about the subject comes down to "Gore believes it, so I can't believe it". That isn't science, that's politics!!!

Have you ever done scale-up? A spectrophotometer's sample chamber and the earths atmosphere are different systems.

It would be like using PV=nRT to do distallation vapor calculations, just silly.

 

[flacaltenn]

Astronomers have spied a star's swan song as it is shredded by a black hole.
Researchers suspect that the star wandered too close to the black hole and got sucked in by the huge gravitational forces.
The star's final moments sent a flash of radiation hurtling towards Earth.
The energy burst is still visible by telescope more than two-and-a-half months later, the researchers report in the journal Science.

Cool!

BBC News - Powerful cosmic blast as black hole shreds star

Aw c'mon man.. I drove by to see the massive carnage -- and all you got is an "artist's conception"? What is this? the f'ing Modern Art forum?

 

[waltky]

Two black holes found in our galaxy...

Twin black holes puzzle astronomers
Oct. 3,`12 (UPI) -- Two black holes discovered in an ancient cluster of stars in our galaxy may require rethinking our understanding of such clusters, U.S. astronomers say.

The astronomers studied a globular cluster called Messier 22 more than 10,000 light-years from Earth, hoping to find evidence of a rare type of black hole in the cluster's center, what scientists call an intermediate-mass black hole. Such black holes are more massive than some --a few or more times the sun's mass -- but smaller than the super-massive black holes found at the cores of galaxies. "We didn't find what we were looking for, but instead found something very surprising -- two smaller black holes," said Laura Chomiuk, of Michigan State University and the National Radio Astronomy Observatory. "That's surprising because most theorists said there should be at most one black hole in the cluster."

Theory up to now holds multiple black holes should not exist in a globular cluster that is 12 billion years old. "Simulations of how globular clusters evolve show many black holes are created early in a cluster's history," said James Miller-Jones of Australia's International Center for Radio Astronomy Research, which collaborated with the U.S. astronomers in the research. "The many black holes then sink towards the middle of the cluster where they begin a chaotic dance leading to most being thrown out of the cluster until only one surviving black hole remains. "We were searching for one large black hole in the middle of the cluster, but instead found two smaller black holes a little way out from the center, which means all the theory and simulations need refinement."

The great age of the cluster means the discovery is a puzzle since the "winnowing" of multiple black holes should have ended long ago, researchers said. "There is supposed to be only one survivor possible," said Jay Strader of Michigan State University and the Harvard-Smithsonian Center for Astrophysics.

Read more: Twin black holes puzzle astronomers - UPI.com

See also:

Distant planets seen in strange alignment
Oct. 3,`12 (UPI) -- Two exoplanets have been detected forming a never-seen-before celestial alignment, a phenomenon so new it doesn't yet have a name, Japanese astronomers say.

Teruyuki Hirano of the University of Tokyo and colleagues used data from the Kepler space telescope to probe KOI-94, a star seemingly orbited by four planets, looking for a momentary dimming of the star's light when the planets transited, or passed in front of, the star. Two planets transiting at the same time would dim the star even more, they said, but if they also overlap there is a momentary increase in brightness as the planets cover less of the star.

This light pattern is exactly what Hirano's team saw as one planet, KOI-94.03, passed in front of the star and then the innermost planet, KOI-94.01, passed between the two. There has been scientific debate over just what to call this never-before-witnessed occurrence, NewScientist.com reported.

Hirano said he prefers "planet-planet eclipse", but that implies the total covering of one body by another, whereas KOI-94.01 is thought to be larger than KOI-94.03 so parts of all three bodies were visible during the alignment.

Another choice is "double transit", but that can include cases where two planets pass in front of their star but don't overlap. "Overlapping double transit" is favored by Darin Ragozzine of the Smithsonian Astrophysical Observatory in Cambridge, Mass., who first suggested two years ago a search for the light pattern Hirano's team has now seen.

Read more: http://www.upi.com/Science_News/201...e-alignment/UPI-34351349313674/#ixzz28NaGBoMA

 

[konradv]

They still don't KNOW that they exist, real physicists have the training and lack the required perverted dogma and arrogance to call it "Settled science".

It fits all the data points and unlike ever showing how a 200PPM increase in CO2 raises temperatures by 5-7 degrees, general relativity has succeeded every time its been tested.

So what? Everytime I put CO2 into a spectrophotometer it absorbs IR radiation. That appears to be about as "settled" as you can get. Seems like you have your panties in a knot because of the "settled science" thing. It just shows me that you don't really care about the science, since this is all just a political exercise for you. I think a lot of the deniers' total thinking about the subject comes down to "Gore believes it, so I can't believe it". That isn't science, that's politics!!!

Have you ever done scale-up? A spectrophotometer's sample chamber and the earths atmosphere are different systems.

It would be like using PV=nRT to do distallation vapor calculations, just silly.

Irrelevant, a CO2 molecule is a CO2 molecule whether it's in the atmosphere or in a spectrophotometer.

 

[CrusaderFrank]

What a refreshing relief to get real science news

Why? Did they create a black hole in a lab? How do you know they even exist, otherwise? Faith?

Pseudo Black Hole Created in Lab | Space.com

 

[konradv]

What a refreshing relief to get real science news

Why? Did they create a black hole in a lab? How do you know they even exist, otherwise? Faith?

Pseudo Black Hole Created in Lab | Space.com

Pseudo, kind of like your scientific knowledge.

 

[Dot Com]

Why? Did they create a black hole in a lab? How do you know they even exist, otherwise? Faith?

Pseudo Black Hole Created in Lab | Space.com

Pseudo, kind of like your scientific knowledge.

lol. Yeah. Deniers are a hoot

Anyway, on the same topic, people were afraid that CERN was going to create a black hole as a by-product of its experiments.

Asking a Judge to Save the World, and Maybe a Whole Lot More

Walter L. Wagner and Luis Sancho contend that scientists at the European Center for Nuclear Research, or CERN, have played down the chances that the collider could produce, among other horrors, a tiny black hole, which, they say, could eat the Earth. Or it could spit out something called a “strangelet” that would convert our planet to a shrunken dense dead lump of something called “strange matter.” Their suit also says CERN has failed to provide an environmental impact statement as required under the National Environmental Policy Act.