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Rotating material around black holes 'clumpy': Research
Rotating material around black holes 'clumpy': Research
IANS |
London
December 20, 2015 Last Updated at 11:50 IST
Until recently, telescopes were not able to penetrate some of these thick donut-shaped disks of gas and dust, also known as tori, which feed and nourish the growing black holes tucked inside.
The Monthly Notices of the Royal Astronomical Society study, co-authored by Poshak Gandhi of the University of Southampton, described results from NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) and the European Space Agency's XMM-Newton space observatory.
With its X-ray vision, NuSTAR recently peered inside one of the densest tori known around a supermassive black hole. This black hole lies at the centre of a well-studied spiral galaxy called NGC 1068, located 47 million light-years away in the Cetus constellation.
"We don't fully understand why some supermassive black holes are so heavily obscured or why the surrounding material is clumpy. This is a subject of hot research," Gandhi said.
NGC 1068 is well known to astronomers as the first black hole to give birth to the unification idea.
"But it is only with NuSTAR that we now have a direct glimpse of its black hole through such clouds, albeit fleeting, allowing a better test of the unification concept," Andrea Marinucci, of the Roma Tre University in Italy and lead author of the study, said.
The research is important for understanding the growth and evolution of massive black holes and their host galaxies.
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ONLY STRIP SEARCHERS AND CAVITY SEARCHERS KNOWS THE SECRETS OF HOLY HOLES,BLACK HOLES
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Google Cardboard Camera app launched to create 3D VR images
Google Cardboard Camera app launched to create 3D VR images
Image: Google Blog
By tech2 News Staff / 06 Dec 2015 , 10:29
Google has released a new app for the Cardboard.
The app called Cardboard Camera lets you create 360 degrees panoramic
photos in virtual reality. Android users can download the app via Google Play Store.To take a panoramic photo using cardboard, the user has to move 360 degree in a circle. It will also record audio and the images when seen using the Cardboard will appear to be 3D. This means when you place the smartphone inside a Cardboard and view to view VR images, they will appear 3D.
Google says VR photos are three-dimensional panoramas that come with slightly different views for each eye. Near things look near and far things look far, and one can look around to explore the image in all directions.
“With Cardboard Camera, anyone can create their own VR experience. So revisit the mountaintop that took hours to hike, or the zoo where you saw (and heard) the monkeys, or your birthday party with the cake out and candles still lit. Capture the moments that matter to you and relive them anytime, from anywhere,” Google further explains in a blogpost.
In September, there were reports about Microsoft also working on a Google Cardboard-rival called VR Kit. Microsoft Hololens has definitely earned some praise in the market and it is possible that the company is using the cardboard kit as a means to lower the barrier and encourage VR developer interest, the report added.
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