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<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">A major prediction in Einstein’s theory of relativity has been proved by observation of light behind a black hole.</span></span></p>
<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong>Details</strong></span></span></p>
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<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Scientists were studying x-ray waves emitted from a black hole in a far away galaxy located about 800 million light years away.</span></span></p>
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<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Theoretically this should not have happened as the X-rays originated from far-side of the black hole and light cannot escape from a black hole.</span></span></p>
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<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Einstein's general theory of relativity had predicted that gravity is matter warping space-time. This has been discovered for the first time.</span></span></p>
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<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The European Space Agency's XMM-Newton and NASA's NuSTAR were the space-based telescopes used to make the observations.</span></span></p>
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<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong>Significance</strong></span></span></p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The X-ray emitted out from the black hole can be used to study the properties of black hole and also map it.</span></span></p>
<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong> Einstein’s general theory of relativity</strong></span></span></p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Einstein’s general theory of relativity says that the laws of physics are the same for all non-accelerating observers. It also says that speed of light in vacuum is constant.</span></span></p>
<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong>Black hole</strong></span></span></p>
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<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Black hole is a space time object that has such high gravity that even light cannot escape from it.</span></span></p>
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<li>
<p><span style="font-size:11.0pt"><span style="font-family:"Calibri","sans-serif"">It contains a great amount of matter that is packed into a small area. The density of such object is very high.</span></span></p>
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<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">A major prediction in Einstein’s theory of relativity has been proved by observation of light behind a black hole.</span></span></p>
<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong>Details</strong></span></span></p>
<ul>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Scientists were studying x-ray waves emitted from a black hole in a far away galaxy located about 800 million light years away.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Presence of bright flares around black holes in not new as high amount of gravitational force can increase the heat to millions of degrees, resulting in release of X-rays.</span></span></p>
</li>
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<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Theoretically this should not have happened as the X-rays originated from far-side of the black hole and light cannot escape from a black hole.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Einstein's general theory of relativity had predicted that gravity is matter warping space-time. This has been discovered for the first time.</span></span></p>
</li>
<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The European Space Agency's XMM-Newton and NASA's NuSTAR were the space-based telescopes used to make the observations.</span></span></p>
</li>
</ul>
<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong>Significance</strong></span></span></p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">The X-ray emitted out from the black hole can be used to study the properties of black hole and also map it.</span></span></p>
<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong> Einstein’s general theory of relativity</strong></span></span></p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Einstein’s general theory of relativity says that the laws of physics are the same for all non-accelerating observers. It also says that speed of light in vacuum is constant.</span></span></p>
<p style="margin-right:0cm"> </p>
<p style="margin-right:0cm"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><strong>Black hole</strong></span></span></p>
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<li>
<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif">Black hole is a space time object that has such high gravity that even light cannot escape from it.</span></span></p>
</li>
<li>
<p><span style="font-size:11.0pt"><span style="font-family:"Calibri","sans-serif"">It contains a great amount of matter that is packed into a small area. The density of such object is very high.</span></span></p>
</li>
</ul>
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