Artist's concept of a planetary collision in the BD +20 307 system (Image NASA/SOFIA/Lynette Cook)

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An article published in “The Astrophysical Journal” reports a study of the BD +20 307 binary system in which the presence of dust too warm to be the equivalent of the Kuiper belt was detected, therefore they have been interpreted as the remains of a planetary collision. A team of researchers led by Maggie Thompson of the University of California at Santa Cruz used the SOFIA flying telescope to detect infrared emissions, which increased over time.

Jeff Bezos during hls announcement (Photo courtesy Blue Origin. All rights reserved)

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Yesterday, at the International Astronautical Congress 2019 being held in Washington, D.C., Jeff Bezos, Blue Origin’s founder, announced an alliance of his company with other aerospace giants to work together within NASA’s Artemis program and bring humans back to the Moon by 2024. At the base of the solution he proposed, called Human Landing System, there’s the Blue Moon lunar lander unveiled by Bezos himself in May 2019.

Titan's dunes (Image courtesy University of Hawaii at Manoa)

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An article published in the journal “Science Advances” reports a study that offers some answers to the mystery of the origin and composition of the dunes on Titan, one of the moons of the planet Saturn particularly interesting for many reasons that include the formation of many organic compounds. A team of researchers led by physical chemist Ralf I. Kaiser of the University of Hawaii at Manoa examined data collected during the Cassini-Huygens mission and computer simulations whose results indicate that acetylene exposed to cosmic rays can form materials that make up Titan’s dunes.

Artist's concept of MAXI J1820+070's system (Image courtesy John Paice)

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An article published in the journal “Monthly Notices of the Royal Astronomical Society” reports a study of the black hole MAXI J1820+070, part of an X-ray binary system that includes a normal star to which the black hole steals gas. A team of astronomers coordinated by the British University of Southampton used the HiPERCAM and NICER instruments to detect visible light and X-rays respectively emitted during an outburst activity in 2018. The data collected were used to create a video slowed down ten times to allow astronomers to see the fastest flares and examine the details of that activity.

Artist's concept of a quasar (Image ESO/M. Kornmesser)

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An article published in the journal “Astronomy & Astrophysics” reports an analysis of 48 quasars in the early universe to detect the outflows of materials they produce. A team of researchers led by Manuela Bischetti of the Italian National Institute of Astrophysics in Rome used the ALMA radio telescope to confirm for the first time the common existence of those outflows, which act as powerful winds inside those early galaxies heavily interfering in the formation of new stars.