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Astronomers discover new type of cosmic explosion

An international team of astronomers, including a University of Southampton expert, has discovered a new type of explosion in a distant galaxy. Artist’s impression of a supermassive black hole [Credit: University of Southampton]The explosion, called PS1-10adi, seems to prefer active galaxies that house supermassive black holes consuming the gas and material around them. Using telescopes on La Palma and Hawaii, …Continue reading →

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Global carbon dioxide emissions projected to rise after three stable years

By the end of 2017, global emissions of carbon dioxide from fossil fuels and industry are projected to rise by about 2% compared with the preceding year, with an uncertainty range between 0.8% and 3%. The news follows three years of emissions staying relatively flat. Smoke billows from a large steel plant as a Chinese labourer works at an unauthorized …Continue reading →

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Altar of Minerva found in southern Italian town of Castro

A team of archaeologists led by Francesco D’ Andria has discovered the altar of the temple of Minerva (Athena) in the town of Castro in the province of Lecce in the Apulia (Puglia) region of south-eastern Italy. Credit: Quotidiano di PugliaThe discovery is unprecedented insofar as it is the only example of a monumental Greek altar found in Apulia. The Castro …Continue reading →

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Important discoveries at the ancient Roman city of Claterna in northern Italy

The 2017 excavation campaign has inaugurated a new three-year research project focused on two specific sectors of the ancient city of Claterna: the former’ blacksmith’s house’ and the central area dedicated in ancient times to public buildings. Excavating a Roman villa with mosaic flooring at Claternae  [Credit: Desyman, WikiCommons]For the’ blacksmith’s house’, both the excavation activity (uncovering new rooms of …Continue reading →

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15,000 scientists in 184 countries warn about negative global environmental trends

Human well-being will be severely jeopardized by negative trends in some types of environmental harm, such as a changing climate, deforestation, loss of access to fresh water, species extinctions and human population growth, scientists warn in today’s issue of BioScience, an international journal. Warning to Humanity [Credit: Oliver Day, Oregon State University]The viewpoint article — “World Scientists’ Warning to Humanity: …Continue reading →

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Anatomy of a cosmic snake reveals structure of distant galaxies

We have a fair understanding of the fundamental mechanisms that regulate star formation in galaxies, from the interstellar matter to the diffuse clouds distributed in space, whose gravitational contraction leads to the birth of stars within large stellar clusters. But observations of distant galaxies have questioned this picture, the size and mass of these distant stellar nurseries largely exceeding that …Continue reading →

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Stellar explosions and cosmic ‘recipe’ for nearby universe

Before its brief mission ended unexpectedly in March 2016, Japan’s Hitomi X-ray observatory captured exceptional information about the motions of hot gas in the Perseus galaxy cluster. Now, thanks to unprecedented detail provided by an instrument developed jointly by NASA and the Japan Aerospace Exploration Agency (JAXA), scientists have been able to analyze more deeply the chemical make-up of this …Continue reading →

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New treasures from Tutankhamun’s tomb

As part of a German-Egyptian project, archaeologists from Tübingen for the first time examine embossed gold applications from the sensational find of 1922. The motifs indicate surprising links between the Levant and the Egypt of the pharaohs. Embossed gold application with motif of animal combat of Levantine origin  [Credit: Christian Eckmann; Copyright: RGZM,  DAI Cairo and University of Tübingen]Researchers from …Continue reading →

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Duo of titanic galaxies captured in extreme starbursting merger

New observations with the Atacama Large Millimeter/submillimeter Array (ALMA) have uncovered the never-before-seen close encounter between two astoundingly bright and spectacularly massive galaxies in the early universe. These so-called hyper-luminous starburst galaxies are exceedingly rare at this epoch of cosmic history — near the time when galaxies first formed — and may represent one of the most-extreme examples of violent …Continue reading →

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Gravitational waves from merging supermassive black holes will be spotted within 10 years, new study predicts

Astronomers won’t have to wait much longer for their first glimpse of one of the biggest types of unions in the cosmos. New research published in Nature Astronomy predicts that gravitational waves generated by the merger of two supermassive black holes will be detected within 10 years. The study is the first to use real data, rather than computer simulations, …Continue reading →

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