A Tennessee man is suing Utah because, like the rest of America, it won't let him marry his computer.…
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"Well, I suggest we work on the money (for all of us) first and quickly! I've proposed to Val [Giddings, former vice president of BIO, the biotech industry trade association] that he and I meet while I'm in DC next week so we can (not via e-mail) get a clear picture of options for taking the Academic Review project and other opportunities forward. The "Center for Consumer Freedom" (ActivistCash.com) has cashed in on this to the extreme."
"I believe Val and I can identify and serve as the appropriate (non-academic) commercial vehicles by which we can connect these entities with the project in a manner which helps to ensure the credibility and independence (and thus value) of the primary contributors/owners... I believe our kitchen cabinet here can serve as gatekeepers (in some cases toll takers) for effective, credible responses, inoculation and proactive activities using this project platform..."
"You and I need to talk more about the "academics review" site and concept. I believe that there is a path to a process that would better respond to scientific concerns and allegations. I shared with Val yesterday. From my perspective the problem is one of expert engagement and that could be solved by paying experts to provide responses. You and I have discussed this in the past. Val explained that step one is establishing 501(c)3 not-for-profit status to facilitate fund raising. That makes sense but there is more. I discussed with Jerry Steiner today (Monsanto Executive Team) and can help motivate CLI/BIO/CBI and other organizations to support. The key will be keeping Monsanto in the background so as not to harm the credibility of the information."
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Derbid planthopper (Anotia uhleri) collected in Puslinch, Ontario, Canada, and photographed at the Centre for Biodiversity Genomics (sample ID: BIOUG00856-B08; specimen record: http://www.boldsystems.org/index.php/Public_RecordView?processid=TTHFW359-11; BIN: http://www.boldsystems.org/index.php/Public_BarcodeCluster?clusteruri=BOLD:ACB2705)
Astronomers are using the NASA/ESA Hubble Space Telescope to study auroras -- stunning light shows in a planet's atmosphere -- on the poles of the largest planet in the Solar System, Jupiter. This observation program is supported by measurements made by NASA's Juno spacecraft, currently on its way to Jupiter. Jupiter's auroras were first discovered by the Voyager 1 spacecraft in 1979. A thin ring of light on Jupiter's nightside looked like a stretched-out version of our own auroras on Earth. Only later on was it discovered that the auroras were best visible using the ultraviolet capabilities of the NASA/ESA Hubble Space Telescope.
This observation program is perfectly timed as NASA's Juno spacecraft is currently in the solar wind near Jupiter and will enter the orbit of the planet in early July 2016. While Hubble is observing and measuring the auroras on Jupiter, Juno is measuring the properties of the solar wind itself; a perfect collaboration between a telescope and a space probe.
"These auroras are very dramatic and among the most active I have ever seen", says Jonathan Nichols from the University of Leicester, UK, and principal investigator of the study. "It almost seems as if Jupiter is throwing a firework party for the imminent arrival of Juno."
To highlight changes in the auroras Hubble is observing Jupiter daily for around one month. Using this series of images it is possible for scientists to create videos that demonstrate the movement of the vivid auroras, which cover areas bigger than the Earth.
Not only are the auroras huge, they are also hundreds of times more energetic than auroras on Earth. And, unlike those on Earth, they never cease. Whilst on Earth the most intense auroras are caused by solar storms -- when charged particles rain down on the upper atmosphere, excite gases, and cause them to glow red, green and purple -- Jupiter has an additional source for its auroras.
The strong magnetic field of the gas giant grabs charged particles from its surroundings. This includes not only the charged particles within the solar wind but also the particles thrown into space by its orbiting moon Io, known for its numerous and large volcanos.
The new observations and measurements made with Hubble and Juno will help to better understand how the Sun and other sources influence auroras. While the observations with Hubble are still ongoing and the analysis of the data will take several more months, the first images and videos are already available and show the auroras on Jupiter's north pole in their full beauty.
The Daily Galaxy via ESA/Hubble
NASA Goddard Photo and Video posted a photo:
Astronomers are using the NASA/ESA Hubble Space Telescope to study auroras — stunning light shows in a planet's atmosphere — on the poles of the largest planet in the solar system, Jupiter. This observation program is supported by measurements made by NASA's Juno spacecraft, currently on its way to Jupiter.
Jupiter, the largest planet in the solar system, is best known for its colorful storms, the most famous being the Great Red Spot. Now astronomers have focused on another beautiful feature of the planet, using Hubble's ultraviolet capabilities.
The extraordinary vivid glows shown in the new observations are known as auroras. They are created when high-energy particles enter a planet's atmosphere near its magnetic poles and collide with atoms of gas. As well as producing beautiful images, this program aims to determine how various components of Jupiter's auroras respond to different conditions in the solar wind, a stream of charged particles ejected from the sun.
This observation program is perfectly timed as NASA's Juno spacecraft is currently in the solar wind near Jupiter and will enter the orbit of the planet in early July 2016. While Hubble is observing and measuring the auroras on Jupiter, Juno is measuring the properties of the solar wind itself; a perfect collaboration between a telescope and a space probe.
“These auroras are very dramatic and among the most active I have ever seen”, said Jonathan Nichols from the University of Leicester, U.K., and principal investigator of the study. “It almost seems as if Jupiter is throwing a firework party for the imminent arrival of Juno.” Read more: go.nasa.gov/294QswK
Credits: NASA, ESA, and J. Nichols (University of Leicester)
The central regions of many glittering galaxies, our own Milky Way included, harbor cores of impenetrable darkness -- black holes with masses equivalent to millions, or even billions, of suns. What's more, these supermassive black holes and their host galaxies appear to develop together, or "co-evolve." Theory predicts that as galaxies collide and merge, growing ever more massive.
Researchers have developed a new method for detecting and measuring one of the most powerful, and most mysterious, events in the Universe - a black hole being kicked out of its host galaxy and into intergalactic space at speeds as high as 5000 kilometers per second.
"When the detection of gravitational waves was announced, a new era in astronomy began, since we can now actually observe two merging black holes," said study co-author Christopher Moore, a Cambridge University PhD student who was also a member of the team which announced the detection of gravitational waves earlier this year. "We now have two ways of detecting black holes, instead of just one - it's amazing that just a few months ago, we couldn't say that. And with the future launch of new space-based gravitational wave detectors, we'll be able to look at gravitational waves on a galactic, rather than a stellar, scale."
The method, developed by researchers from the University of Cambridge, could be used to detect and measure so-called black hole superkicks, which occur when two spinning supermassive black holes collide into each other, and the recoil of the collision is so strong that the remnant of the black hole merger is bounced out of its host galaxy entirely. Their results are reported in the journal Physical Review Letters.
Earlier this year, the LIGO Collaboration announced the first detection of gravitational waves - ripples in the fabric of spacetime - coming from the collision of two black holes, confirming a major prediction of Einstein's general theory of relativity and marking the beginning of a new era in astronomy. As the sensitivity of the LIGO detectors is improved, even more gravitational waves are expected to be detected - the second successful detection was announced in June.
As two black holes circle each other, they emit gravitational waves in a highly asymmetric way, which leads to a net emission of momentum in some preferential direction. When the black holes finally do collide, conservation of momentum imparts a recoil, or kick, much like when a gun is fired. When the two black holes are not spinning, the speed of the recoil is around 170 kilometres per second. But when the black holes are rapidly spinning in certain orientations, the speed of the recoil can be as high as 5000 kilometres per second, easily exceeding the escape velocity of even the most massive galaxies, sending the black hole remnant resulting from the merger into intergalactic space.
The Cambridge researchers have developed a new method for detecting these kicks based on the gravitational wave signal alone, by using the Doppler Effect. The Doppler Effect is the reason that the sound of a passing car seems to lower in pitch as it gets further away. It is also widely used in astronomy: electromagnetic radiation coming from objects which are moving away from the Earth is shifted towards the red end of the spectrum, while radiation coming from objects moving closer to the Earth is shifted towards the blue end of the spectrum. Similarly, when a black hole kick has sufficient momentum, the gravitational waves it emits will be red-shifted if it is directed away from the Earth, while they will be blue-shifted if it's directed towards the Earth.
"If we can detect a Doppler shift in a gravitational wave from the merger of two black holes, what we're detecting is a black hole kick," said study co-author Davide Gerosa, a PhD student from Cambridge's Department of Applied Mathematics and Theoretical Physics. "And detecting a black hole kick would mean a direct observation that gravitational waves are carrying not just energy, but linear momentum as well."
Detecting this elusive effect requires gravitational-wave experiments capable of observing black hole mergers with very high precision. A black hole kick cannot be directly detected using current land-based gravitational wave detectors, such as those at LIGO. However, according to the researchers, the new space-based gravitational wave detector known as eLISA, funded by the European Space Agency (ESA) and due for launch in 2034, will be powerful enough to detect several of these runaway black holes. In 2015, ESA launched the LISA Pathfinder, which is successfully testing several technologies which could be used to measure gravitational waves from space.
The researchers found that the eLISA detector above will be particularly well-suited to detecting black hole kicks: it will be capable of measuring kicks as small as 500 kilometres per second, as well as the much faster superkicks. Kick measurements will tell us more about the properties of black hole spins, and also provide a direct way of measuring the momentum carried by gravitational waves, which may lead to new opportunities for testing general relativity.
The Daily Galaxy via University of Cambridge and NASA/JPL
Image credit top of page: ligo.caltech.edu