ESO
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The dual disk structure of our home galaxy may not be as unique as once thought, according to the results of a new study that probed the cross section of a spiral galaxy orbiting the Milky Way, some 320 million light years from Earth.
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The first comet known to visit our Sun after being born around an alien star may be the most pristine comet ever discovered, new research has found.
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Astronomers have discovered the aftermath of a cosmic hit-and-run in our own neighborhood. While studying the closest star cluster to the Sun, ESA scientists realized it may have been disrupted by a huge lump of invisible mass, possibly dark matter.
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Astronomers have discovered a nearby system of exoplanets with unusually orderly orbits but disordered densities. Five of the six planets circle the star in a rare rhythmic dance called a resonance chain, while their densities are weirdly shuffled.
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Astronomers have witnessed a rare celestial light show – a star being stretched into “spaghetti” by a black hole. More than 200 million light-years from Earth, the dying star was ripped to shreds by immense gravitational forces over six months.
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The way things are in our solar system aren't always how they work elsewhere in the universe. Now, astronomers have observed a triple star system that’s warping and splitting its planetary disc into strange new shapes and multiple rings.
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Astronomers have discovered the intact, exposed core of a gas giant locked in a close orbit around a Sun-like star. The discovery will give astronomers a rare opportunity to probe the heart of an ancient alien world.
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A star that shined with 2.5 million times the light of our Sun has disappeared from the night sky. It is possible that the star collapsed into a black hole without first triggering a supernova – a rare event, even in the context of dying stars.
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A team of international researchers has confirmed the existence of an Earth-like exoplanet only 4.2 light-years from the Sun. The ESPRESSO spectrograph found Proxima b has a mass of 1.17 Earths and orbits in the habitable zone of Proxima Centauri.
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An international team of astronomers has found what may be the first images of a planet being born. Based on observations by ESO’s VLT, images of AB Aurigae show a "twist" in the surrounding cloud that indicates the presence of a planet being formed.
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The closest black hole to our solar system has been discovered a mere 1,000 light-years from Earth, and orbits with two companion stars that are visible to the naked eye without the aid of a telescope or binoculars.
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Almost 30 years of observations has revealed that a star in the center of the galaxy orbits the supermassive black hole Sagittarius A* in a rosette, or spirograph shape. The find once again confirms a prediction made by Einstein’s General Relativity.
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