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“In the quest for extraterrestrial biological signatures, the first stars we study should be white dwarfs,” said Avi Loeb, Director of Harvard University’s Institute for Theory and Computation . If all the conditions are right, we’ll be able to detect... Continue reading
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Without an image of a black hole , no one has been able to confirm that black holes even exist, says Sheperd Doeleman, assistant director of the Haystack Observatory at Massachusetts Institute of Technology (MIT). Once an object fall through... Continue reading
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“Finding a galaxy as tiny as Segue 2 is like discovering an elephant smaller than a mouse,” said Bullock. Astronomers have been searching for years for this type of dwarf galaxy, long predicted to be swarming around the Milky Way.... Continue reading
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Interstellar is the latest blockbuster movie about space. Now in a special live Google Hangout, three astrophysicists brush off the popcorn, leave the theater and answer your questions about the “science” in the movie. On Wednesday, November 26, from 3:00... Continue reading
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New research offers a novel insight into the nature of dark matter and dark energy and what the future of our Universe might be. Cosmology has undergone a paradigm shift since 1998 when researchers announced that the rate at which... Continue reading
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The puzzling, fascinating surface of Jupiter's icy moon Europa looms large in this newly-reprocessed color view, made from images taken by NASA's Galileo spacecraft in the late 1990s. This is the color view of Europa from Galileo that shows the... Continue reading
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Betelgeuse is one of the most massive known stars, almost the size of the orbit of Jupiter, surrounded by a nebula, which is much bigger than the supergiant itself, stretching 60 billion kilometres away from the star's surface — about... Continue reading
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Similar in premise to many other science fiction films, something sets Interstellar apart: Many of the images are--for the most part--scientifically accurate, based on lensing calculations produced by Cornell University and California Institute of Technology scientists that show what black... Continue reading
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The distribution of galaxies and matter in the universe is non-random. Galaxies are organized, even today, in a manner resembling an enormous network - the cosmic web. This web has dense regions made up of galaxy clusters and groups, sparsely... Continue reading
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Born from the rubble of a violent collision, hurled through space for millions of years and dismembered by the gravity of planets, asteroid Bennu had a tough life in a rough neighborhood: the early solar system. "Bennu's Journey," a new... Continue reading
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"BX442 looks like a nearby galaxy, but in the early universe, galaxies were colliding together much more frequently," says Alice Shapley, a UCLA associate professor of physics and astronomy. "Gas was raining in from the intergalactic medium and feeding stars... Continue reading
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Thanks to the NASA/ESA Hubble Space Telescope, some of the most mysterious cosmic residents have just become even more puzzling. New observations of globular clusters in a small galaxy show they are very similar to those found in the Milky... Continue reading
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On January 11, 2013, the discovery of a vast grouping of 73s quasars, a form of supermassive black hole active galactic nuclei, with a minimum diameter of 1.4 billion light-years, stretched over four billion light-years at its widest point was... Continue reading
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If two galaxies are on a collision course and eventually collide, they will merge into a single larger galaxy. At the centre of each galaxy is a massive black hole and they will also merge. But if gravitational waves have... Continue reading
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"It is possible that pulsars imploding into black holes may provide the first concrete signal of particulate dark matter," said study co-author Joseph Bramante, a physicist at the University of Notre Dame. “In 2013, the first pulsar at the galactic... Continue reading
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Over the last years, physicists have placed detectors in underground sites a kilometer or more deep in order to detect dark matter. The idea is that dark matter is easier to detect in deep sites because there is less noise... Continue reading
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Chinese scientists are planning to launch a Mars rover "around 2020", state media reported on Tuesday, as the country pours billions into its space programme and works to catch up with the US and Europe. Although the government has not... Continue reading
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New research investigates the last unknown parameter in the Standard Model – the interaction between the Higgs particle and gravity. “The Standard Model of particle physics, which scientists use to explain elementary particles and their interactions, has so far not... Continue reading
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"Life in Antarctica, in the form of algal mats, is very resistant to extremely cold and dry conditions and simply waits for the episodic infusion of water to 'bloom' and develop," says James W. Head, professor of earth, environmental and... Continue reading
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While the extinction of the dinosaurs has largely been explained by the impact of a large meteorite, the crash of the stromatolites remains unsolved. “It’s one of the major questions in Earth history,” says Woods Hole Oceanographic Institution microbial ecologist... Continue reading
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A gamma-ray burst known as GRB 090429B detected by NASA's Swift satellite was found to be a candidate for the most distant object in the Universe at an estimated distance of 13.14 billion light years, far beyond any known quasar... Continue reading
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Lacking power, its instruments and most systems went into standby mode after three days of non-stop work, the Rosetta mission sent back data that will keep scientists busy for years. "The data collected by Philae and Rosetta is set to... Continue reading
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With the sci-fi movie "Interstellar" — hitting theaters last week — with its computer-generated views of one of most enigmatic and fascinating phenomena in the universe, University of Arizona astrophysicists are likely to nod appreciatively and say something like, "Meh,... Continue reading
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Robot lab Philae drilled into its host comet Friday with just hours of battery left, but may lose power before it can transmit results of a much-anticipated attempt to probe below the surface, mission scientists said. Charged with 60 hours... Continue reading
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When two LIGO detectors are switched on in the US next year, scientists hope to pick up the faint long-sought ripples of black hole collisions millions of years ago, known as gravitational waves. Black holes cannot be seen, but scientists... Continue reading