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Stars determine their own masses

Tuesday, 09 August 2022 01:30
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Evanston IL (SPX) Aug 09, 2022
Last year, a team of astrophysicists including key members from Northwestern University launched STARFORGE, a project that produces the most realistic, highest-resolution 3D simulations of star formation to date. Now, the scientists have used the highly detailed simulations to uncover what determines the masses of stars, a mystery that has captivated astrophysicists for decades. In a new s
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Seattle WA (SPX) Aug 09, 2022
Spaceflight Inc., the leading global launch services provider, has announced it shipped the fully integrated Sherpa-LTC orbital transfer vehicle (OTV) and customer payload to Cape Canaveral to launch aboard an upcoming Starlink mission scheduled for next month. The high-thrust propulsive Sherpa will deploy from SpaceX's Falcon 9 targeting a 310-kilometer circular orbit, before igniting and
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Washington DC (SPX) Aug 09, 2022
NASA's water-scouting CubeSat is now poised to hitch a ride to lunar orbit. Not much bigger than a shoe box, Lunar IceCube's data will have an outsized impact on lunar science. The satellite is integrated into the Space Launch System (SLS) rocket and ready to journey to the Moon as part of the uncrewed Artemis I mission, launching this year. Orbiting the Moon, Lunar IceCube will use
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Canadian launch startup SpaceRyde said Aug. 8 it has added a second member to its advisory board with the appointment of Mina Mitry, the CEO of small satellite operator Kepler Communications.

The post Launch startup SpaceRyde fortifies advisory board appeared first on SpaceNews.

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Rocket Lab’s launch of a NASA lunar cubesat mission lived up to its name, serving as a capstone for the company’s efforts to develop end-to-end space systems and interplanetary missions, according to its chief executive.

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TROPICS cubesats

NASA is investigating alternative ways to launch four Earth science cubesats after Astra discontinued the rocket originally contracted to launch them.

The post NASA looking for new launch of remaining TROPICS cubesats appeared first on SpaceNews.

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space junk
Credit: Unsplash/CC0 Public Domain

Rapidly evolving technology and space debris reported in several places around the world—including pieces of a Chinese Long March 5B Rocket in the Indian Ocean—signal the need for a new era for regulation of space, Flinders University experts say.

Their timely new report is calling on governments to pay more attention to the use of low-Earth orbit as laws and technologies race ahead at high speed.

Ahead of a meeting of intergovernmental experts at next year's World Radio Conference, the space experts from the Flinders University's Jeff Bleich Centre are raising concerns on several fronts, commencing with the takeoff of commercial interest in satellite "mega-constellations" in Low-Earth Orbit (LEO).

"While there are laws that cover space activities, they are already under stress because of the speed at which the commercial space industry is evolving," says research associate in space law Joel Lisk, from the Jeff Bleich Centre at Flinders University's College of Business, Government and Law.

"There is a need to work towards ensuring that we have broad and flexible regulatory settings that are geared to rapid change and future developments.

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Northrop Grumman and Firefly Aerospace announced Aug. 8 that they will work together to develop a new first stage for Northrop’s Antares launch vehicle as well as a future medium-lift rocket.

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SpaceLink signed an agreement with the U.S. Army to explore ways to use the company’s data-relay constellation to deliver commercial satellite imagery directly to troops on the ground.

The post SpaceLink and U.S.

Image: Pure gold pin for space testing

Monday, 08 August 2022 14:40
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Image: Pure gold pin for space testing
Credit: ESA-Remedia

Although this pure gold pin is not much bigger than the tip of a pencil, it is the "pulsing heart" of ESA's Low Earth Orbit Facility, LEOX. Part of the Agency's Materials and Electrical Components Laboratory, based at ESA's ESTEC technical center in the Netherlands, this test facility is vital for developing materials capable of withstanding the highly-erosive individual oxygen atoms prevailing at the top of the atmosphere, the result of standard oxygen molecules of the same kind found just above the ground being broken apart by powerful ultraviolet radiation from the sun.

All missions that orbit less than about 1,000 km above Earth's surface must be designed to resist . To realistically simulate the low-Earth orbit environment, the LEOX atomic oxygen facility generates atomic oxygen traveling at 7.8 km/s.

Atomic oxygen is not easy to generate on Earth, because it is so reactive. This means that the materials used to make the simulator must be as robust as the materials flown in space. This sturdy gold pin is used to inject tiny pulses of oxygen gas molecules into a , where the molecules are split into atoms using a powerful laser.

100 days of the Minerva mission

Monday, 08 August 2022 14:39
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100 days of Minerva mission
Samantha Cristoforetti prepares for spacewalk. Credit: ESA / NASA / Roscosmos

ESA astronaut Samantha Cristoforetti was launched to the International Space Station on 27 April as a part of Crew-4 for her second mission, Minerva. One hundred days in, mission Minerva is still going strong. From completing cutting-edge research in the world's only orbiting laboratory to sharing daily life on the Space Station via TikTok, it's all in a day's work for an ESA astronaut.

Inspired by the Roman goddess of wisdom, the handicrafts and the arts, the name Minerva is a homage to the competence and sophisticated craftmanship of the women and men all over the world who make human spaceflight possible. It also embodies the toughness and discipline that is required of us, and the wisdom we wish to demonstrate, as we consolidate and expand human presence in . All these qualities and more have been on display during these first 100 days of the mission.

Making strides in health

Throughout mission Minerva, Samantha has played a vital role in a large number of scientific experiments on the Space Station, both from European states and international partners.

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Jupiter missions could also help search for dark matter
A brilliant image of Jupiter’s Great Red Spot along with its violent southern hemisphere taken by NASA’s Juno spacecraft as it passed close to the gas giant planet. Credit: NASA/JPL-Caltech/Southwest Research Institute/Malin Space Science Systems/Kevin M. Gill

In a recent study published in the Journal of High Energy Physics, two researchers from Brown University demonstrated how data from past missions to Jupiter can help scientists examine dark matter, one of the most mysterious phenomena in the universe. The reason past Jupiter missions were chosen is due to the extensive amount of data gathered about the largest planet in the solar system, most notably from the Galileo and Juno orbiters. The elusive nature and composition of dark matter continues to elude scientists, both figuratively and literally, because it does not emit any light.

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Austin TX (SPX) Aug 08, 2022
Two new images from NASA's James Webb Space Telescope show what may be among the earliest galaxies ever observed. Both images include objects from more than 13 billion years ago, and one offers a much wider field of view than Webb's First Deep Field image, which was released amid great fanfare July 12. The images represent some of the first out of a major collaboration of astronomers and other a
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Beijing (XNA) Aug 08, 2022
The small mechanical arm mounted with Wentian, the first lab module of China's space station, has successfully completed in-orbit tests, according to the China Manned Space Agency (CMSA). With the support of the ground team, the small mechanical arm has completed a series of in-orbit function and performance tests. All indexes performed well, achieving expected results, said the CMSA.

AI helps discover new space anomalies

Monday, 08 August 2022 11:01
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Moscow, Russia (SPX) Aug 08, 2022
The SNAD team, an international network of researchers including Matvey Kornilov, Associate Professor of the HSE University Faculty of Physics, has discovered 11 previously undetected space anomalies, seven of which are supernova candidates. The researchers analysed digital images of the Northern sky taken in 2018 using a k-D tree to detect anomalies through the 'nearest neighbour' method. Machi
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