SLAC National Accelerator Laboratory
Light dark matter is a thousand times less likely to bump into regular matter than previous astrophysical analyses allowed12 Jul 2019, 09:47 UTC A SLAC/Stanford study of the population of satellite galaxies orbiting the Milky Way provides new clues about the particle nature of dark matter.
National Radio Astronomy Observatory (NRAO) 12 Jul 2019, 09:12 UTC Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA)Atacama Large Millimeter/submillimeter Array (ALMA)Funded by the U.S. National Science Foundation and its international partners (NRAO/ESO/NAOJ), ALMA is among the most complex and powerful astronomical observatories on Earth or in space. The telescope is an array of 66 high-precision dish antennas in northern Chile. See more here have made the first-ever observations of a circumplanetary disk, the planet-girding belt of dust and gas that astronomers strongly theorize controls the formation of planets and gives rise to an entire system of moons, like those found around Jupiter.
NASA's Goddard Space Flight Center 11 Jul 2019, 16:04 UTC Black holes in certain types of galaxies like NGC 3147 are malnourished because there is not enough gravitationally captured material to feed them regularly. So, the thin haze of infalling material puffs up like a donut rather than flattening out in a pancake-shaped disk. Therefore, it is very puzzling why there is a thin disk encircling a starving black hole in NGC 3147 that mimics much more powerful disks found in extremely active galaxies with engorged, monster black holes.
Canadian Space Agency 11 Jul 2019, 09:09 UTC From December 3, 2018, to June 24, 2019, David Saint-Jacques lived and worked on board the International Space Station (ISS). At 204 days, his mission was the longest conducted by a Canadian astronaut to date.
NASA Glenn Research Center 11 Jul 2019, 09:07 UTC Advancements made by researchers such as propulsion technology and liquid hydrogen-liquid oxygen propellant, helped make the Apollo mission possible. Today, NASA Glenn Research Center builds on this legacy as it develops solar electric propulsion systems that will propel the Gateway in orbit around the Moon. Gateway – a temporary home and office for astronauts – enables them to access the entire surface of the Moon.
NASA's Jet Propulsion Laboratory News and Features 9 Jul 2019, 15:49 UTC With careful planning and dashes of creativity, engineers have been able to keep NASA's Voyager 1 and 2 spacecraft flying for nearly 42 years - longer than any other spacecraft in history. To ensure that these vintage robots continue to return the best science data possible from the frontiers of space, mission engineers are implementing a new plan to manage them. And that involves making difficult choices, particularly about instruments and thrusters.
National Radio Astronomy Observatory (NRAO) 9 Jul 2019, 12:58 UTC Astronomers using National Science Foundation (NSF) radio telescopes have demonstrated how a combination of gravitational-wave and radio observations, along with theoretical modeling, can turn the mergers of pairs of neutron stars into a “cosmic ruler” capable of measuring the expansion of the Universe and resolving an outstanding question over its rate.