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Astronomers found a star that survived being swallowed by a black hole

When black holes swallow huge amounts of matter from the space around them, they’re not exactly subtle. They emit enormous X-rays that are generated by heating the material to intense temperatures when it is sucked towards the black hole, so bright that we can see them from Earth. This is normal black hole behavior. What is not normal is that …

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Did this planet survive when swallowed by its sun?

An international team of astronomers has identified a strange exoplanet – which, according to their calculations, should not exist. Reported by studying the vibrations of a 364 light-years distant star system]the team found that an exoplanet apparently was swallowed by its star when it turned into a red giant. And yet the planet somehow still seems to exist. The discovery …

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"Improbable Planet" somehow survives being swallowed by a red giant star

Scientists have discovered a "survival artistic" planet that should not orbit a pulsating star. Using astroseismological data from NASA's Transiting Exoplanet Survey Satellite (TESS), a research team investigating red giant stars HD 212771 and HD 203949 discovered oscillations that are "soft pulsations on the surface of stars." The Instituto de Astrofísica e Ciências do Espaço (IA) and the Faculty of …

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Scientists discovered waves from a black hole that swallowed a neutron star

Nearly a billion years ago, a black hole seems to have eaten a dead star – "like Pac-Man," said Susan Scott, a physicist at the Australian National University. Scott's team believes that the waves in the spacetime of this event, also known as gravitational waves, have just reached Earth. Such disturbances were first theorized by Albert Einstein, who in 1915 …

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Astronomers have probably just seen a black hole when it swallowed a dead star | National Geographic Australia

About 900 million years ago, a black hole unleashed a horrible burp that echoed through the cosmos. On August 14, the resulting waves in the structure of space-time passed through the Earth – the best evidence yet of an unprecedented kind of cosmic collision that could provide new insights into how the universe works. S190814bv was probably triggered by the …

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Astronomers now believe our galaxy once swallowed a smaller galaxy – BGR

For astronomers, discovering new worlds, stars, and even galaxies is really only half the battle. Once discovered, where it comes from, often means extensive research and a bit of guesswork. A new research effort aimed at uncovering some of the secrets of our galaxy home, the Milky Way, formed an astronomers believe they have found evidence of an ancient collision. …

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Astronomers believe the young Milky Way once swallowed a dwarf galaxy

Astronomers previously thought that the galaxy was made of two separate sets of stars, but exactly how or when they came together as a mystery. Using the Gaia space telescope, these researchers were able to make more precise measurements of the position, brightness and distance of one million stars. They also look at the density of "metals," or elements without …

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My browser, the spy: How extensions swallowed the browsing history of 4M users

Aurich Lawson / Getty When we use browsers to schedule medical appointments, exchange tax returns with accountants, or access company intranets, We usually rely on the pages we access to remain private. DataSpii, a redefined privacy issue where millions of users have been collecting and exposing browser histories, shows how much of us is betrayed when this assumption is turned …

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