Atlanta (CNN) – If you think a negative test result means you don’t have a coronavirus, you may be wrong. It can take several days before a new infection appears on the COVID-19 test. “We know that the incubation period of Covid-19 is 14 days. And before that, you can …
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One of the world’s most respected radio telescopes, on the verge of destruction, has begun a race to uncover it by engineers at the Arecibo Observatory in Puerto Rico after two complex cables supporting a 900-ton instrument platform broke. The platform, in which a large dish was made by cables …
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For the second time in just a matter of months, a cable accident at Puerto Rico’s Arecibo Observatory has caused even more damage to one of the world’s largest and most powerful radio telescopes. In August Gust, astronomers and science-lovers were surprised to see a huge hole burst from a …
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Astrophysicists have discovered for the first time the explosion of cosmic radio waves inside our galaxy and identified its source, revealing a new mystery in the universe, according to research published on Wednesday. The emergence of powerful fast radio rates (FRBs) – the intense glare of radio emissions that last …
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For more than two decades, astronomers have been systematically searching for mysterious sources of high-energy gamma rays in their sources. One, however, remained stubborn – the most unknown source gamma rays in the galaxy. It appears to be 2,740 light-years away from the binary system, but only one star could …
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