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Recent Podcast
A Tour of The Big, Bad & Beautiful Universe with Chandra
A Tour of The Big, Bad & Beautiful Universe with Chandra
To celebrate the 15th anniversary of NASA's Chandra X-ray Observatory, we have released four new images of supernova remnants. These show Chandra's ability to study the remains of supernova explosions, using images that are the sharpest available in X-ray astronomy. The images of the Tycho and G292.0+1.8 supernova remnants show how Chandra can trace the expanding debris of an exploded star. The images show shock waves, similar to sonic booms from a supersonic plane, that travel through space at speeds of millions of miles per hour. The images of the Crab Nebula and 3C58 show the effects of very dense, rapidly spinning neutron stars created when a massive star explodes. These neutron stars can create clouds of high-energy particles that glow brightly in X-rays. The image for G292 shows oxygen (yellow and orange), and other elements such as magnesium (green) and silicon and sulfur (blue) that were forged in the star before it exploded. For the other images, the lower energy X-rays are shown in red and green and the highest energy X-rays are shown in blue. (2014-07-22)


IGR J11014-6103 in 60 Seconds

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Narrator (April Hobart, CXC): Has the speediest pulsar been found? That's the question that astronomers are asking after three different telescopes looked at the pulsar known as IGR J11014-6103. This pulsar was found racing away from a supernova remnant located about 30,000 light years from Earth. An image from the European Space Agency's XMM-Newton satellite shows a glowing debris field in X-rays. This is the remains of a massive star that exploded thousands of years before. Using NASA's Chandra X-ray Observatory, researchers were able to focus their attention on a small, comet-shaped X-ray source outside the boundary of this supernova remnant. It appears that this object, thought to be a rapidly spinning, incredibly dense star – which astronomers call a "pulsar" -- was ejected during the supernova explosion. Researchers calculate that this pulsar may be dashing away from the supernova at speeds of about 6 million miles per hour. If this result is confirmed, it would make this pulsar the fastest ever seen.

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