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10 Jun 2019, 13:00 UTC
Breakthrough Watch and the European Southern Observatory achieve “first light” on upgraded planet-finding instrument to search for Earth-like planets in nearest star systemNext Previous
5 Jun 2019, 17:00 UTC ** Summary: New ALMA observations reveal a never-before-seen disk of cool, interstellar gas wrapped around the supermassive black holeSupermassive Black HoleA black hole that has a million or as much as a billion solar masses. These large black holes lurk at the centers of most galaxies. at the center of the Milky Way. This nebulous disk gives astronomers new insights into the workings of accretion Accretion diskA disk of gas that accumulates around a center of gravitational attraction, such as a white dwarf, a neutron star, or a black hole. As the gas spirals in, it becomes hot and emits energy at a variety of wavelengths, including X-ray and radio waves. : the siphoning of material onto the surface of a black hole. The results are published in the journal Nature. **Through decades of study, astronomers have developed a clearer picture of the chaotic and crowded neighborhood surrounding the supermassive black hole at the center of the Milky Way. Our galactic center is approximately 26,000 light-years from Earth and the supermassive black hole there, known as Sagittarius A* (A “star”), is 4 million times the mass of our Sun.We now know that this region is brimming with roving stars, interstellar ... Next Previous
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ESA Science & Technology 24 Jun 2019, 15:00 UTC According to Liyi Gu, an astronomer from RIKEN High Energy Astrophysics Laboratory in Japan and the Netherlands Institute for Space Research, who is the lead author of a paper published today in Nature Astronomy, the observations capture the unique moment when the two clusters touch each other for the very first time – something that has never been observed before.
NASA's Jet Propulsion Laboratory News and Features 23 Jun 2019, 19:06 UTC This week, NASA's Curiosity Mars rover found a surprising result: the largest amount of methane ever measured during the mission - about 21 parts per billion units by volume (ppbv). It's exciting because microbial life is an important source of methane on Earth, but methane can also be created through interactions between rocks and water.
NASA Breaking News 21 Jun 2019, 20:00 UTC Media are invited to NASA’s Michoud Assembly Facility in New Orleans at 9:30 a.m. CDT Friday, June 28, to view progress on the rocket core stage for the Space Launch System’s Artemis 1 Moon mission.
NASA's Goddard Space Flight Center 21 Jun 2019, 11:51 UTC This image shows an irregular galaxy named IC 10, a member of the Local Group — a collection of over 50 galaxies in our cosmic neighborhood that includes the Milky Way.
ESA Top News 20 Jun 2019, 22:19 UTC An Ariane 5 has delivered the T-16 and Eutelsat-7C telecom satellites into their planned orbits. Arianespace announced liftoff at 21:43 GMT (23:43 CEST, 18:43 local time) yesterday from Europe’s Spaceport in Kourou, French Guiana. The mission lasted about 33 minutes.
NASA's Ames Research Center News and Features 19 Jun 2019, 15:58 UTC "I believe that this nation should commit itself to achieving the goal, before this decade is out, of landing a man on the Moon and returning him safely to the Earth." When President John F. Kennedy declared this to Congress in May 1961, humans had barely brushed past the outer edge of Earth’s atmosphere. Only a month earlier, the Soviet Union sent the first human to space, while America’s furthest foray at that time was Alan Shephard’s 15-minute flight that fell short of entering Earth’s orbit. Between that history-making speech and Neil Armstrong’s first step on the lunar surface in 1969 is the story of how NASA ensured our voyage to the Moon had a way to get back home.
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Starts With a Bang! 24 Jun 2019, 14:01 UTC At the core of the largest star-forming region of the Local Group sits the biggest star we know of.
Bad Astronomy 24 Jun 2019, 13:00 UTC All four of the giant planets in our solar system have rings. Saturn’s are obvious, Jupiter’s are incredibly thin, and while Neptune has rings one of them has bright regions that form more obvious arcs, the cause of which is unknown. Uranus has rings, too. Observations from the ground and from spacecraft have determined there are at least ten narrow rings made of icy particles, and also three broader, dustier rings. Uranus’s rings are dark in visible light, meaning they don’t reflect much sunlight, making them hard to see from Earth.
SciTech Daily 24 Jun 2019, 02:06 UTC Good fortune and cutting-edge scientific equipment have allowed scientists to observe a Gamma Ray Burst jet with a radio telescope and detect the polarisation of radio waves within it for the first time – moving us closer to an understanding of what causes the universe’s most powerful explosions.