Just add bubbles for cooler future spacecraft
Wednesday, 02 February 2022 14:00
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From soft drinks to hot tubs, people add bubbles to liquids for many different reasons. ESA engineers think bubbles produced at the verge of boiling point could help control the temperature of spacecraft in a more efficient and compact way. The main unknown is how bubbles will behave in differing gravities down to weightlessness, so researchers boarded parabolic flight aircraft for testing.
Astronomers lined up under an asteroid's shadow to measure its size precisely
Wednesday, 02 February 2022 12:26 Write a comment
Astronomers will go to great lengths for science. Recently, dozens of astronomers had the misfortune of traveling to one of the most tempting locales in the southwestern U.S.—Las Vegas. But they weren't there for the city's bright lights—they were there to observe the very dim light of a star thousands of light-years away. And what they specifically wanted to see was the light from that star blink out for a few seconds. That lack of light provided the exact data they needed to help them determine the size of Eurybates, one of the Trojan asteroids that will be the focal point of NASA's Lucy mission.
What the scientists were looking for was an occultation. Most people know the most common form of this phenomenon—an eclipse. But occultations can happen with any background star and can be caused by any foreground object. Calculating where these minor occultations of stars by asteroids will occur takes a significant amount of orbital mechanics and processing power. The Earth itself has to be aligned correctly, and the asteroids and stars have to line up just right and be big enough.
A Chinese space tug just grappled a dead satellite
Wednesday, 02 February 2022 11:30 Write a comment
A Chinese satellite pulled a defunct navigation satellite out of the way of other satellites on January 22. The satellite, called SJ-21, appeared to operate as a space tug when it grappled onto the navigation satellite from the Chinese CompassG2 network. The operation details didn't come from Chinese authorities but from a report by ExoAnalytic Solutions, a commercial space monitoring company.
Chinese authorities are tight-lipped about the operation, but what can observations tell us about Chinese capabilities?
Earth's geosynchronous orbit is crowded, so on the face of it, having one less piece of space debris is a good thing for all satellite operators. But people can get suspicious when China does something like this.
GOES-T launch preparations underway
Wednesday, 02 February 2022 11:22 Write a comment
Preparations are underway for the launch of the next in a series of geostationary weather satellites that will also mark the end of a decades-long streak for one company.
The post GOES-T launch preparations underway appeared first on SpaceNews.
Roof of the satnav world
Wednesday, 02 February 2022 07:07 Write a comment
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Roof of the satnav world Helicopters Flying at Mars May Glow at Dusk
Wednesday, 02 February 2022 04:55 Write a comment
The whirling blades on drones flying above Mars may cause tiny electric currents to flow in the Martian atmosphere, according to a NASA study. These currents, if large enough, might cause the air surrounding the craft to glow. This process occurs naturally at much larger scales on Earth as a corona or electrical glow sometimes seen on aircraft and ships in electrical storms known as Saint Elmo's New Earth Trojan asteroid
Wednesday, 02 February 2022 04:55 Write a comment
An International team of astronomers led by researcher Toni Santana-Ros, from the University of Alicante and the Institute of Cosmos Sciences of the University of Barcelona (ICCUB), has confirmed the existence of the second Earth Trojan asteroid known to date, the 2020 XL5, after a decade of search. The results of the study have been published in the journal Nature Communications.
All cele Chinese satellite reportedly grappled and moved spacecraft away from orbit
Wednesday, 02 February 2022 04:55 Write a comment
The event was discussed as part of a webinar on managing the risks of satellite close approaches in geostationary orbit, hosted by the Center for Strategic and International Studies and the Secure World Foundation earlier this week.
Last week, China reportedly demonstrated yet another advancement in space-based technology and capabilities as an analytics firm claimed to have seen a satelli D-Orbit merges with Breeze Holdings Acquisition Corp. to become Publicly Company
Wednesday, 02 February 2022 04:55 Write a comment
D-Orbit S.p.A., an Italy-based and market leading space logistics and transportation company, has announced that it will become publicly listed through a business combination with Breeze Holdings Acquisition Corp. (NASDAQ: BREZ), a publicly traded special purpose acquisition company. The transaction values the Company at an enterprise value of approximately $1.28 billion post-money.
In con UCF to lead $10m NASA project to develop zero-carbon jet engines
Wednesday, 02 February 2022 04:55 Write a comment
The University of Central Florida (UCF) is developing new technology that is expected to make airplane engines emission free, potentially revolutionizing the aviation industry.
UCF put together a team of experts and stakeholders to evaluate their innovation, which aims to not only make aviation fuel green, but also create engines and fueling systems that easily integrate into current airpo Researchers achieve burning plasma regime for first time in lab
Wednesday, 02 February 2022 04:55 Write a comment
After decades of fusion research, a burning plasma state was achieved on November 2020 and February 2021 at Lawrence Livermore National Laboratory's National Ignition Facility (NIF), the world's most energetic laser.
Obtaining a burning plasma is a critical step toward self-sustaining fusion energy. A burning plasma is one in which the fusion reactions themselves are the primary source of China to improve space infrastructure with new satellites, technologies: white paper
Wednesday, 02 February 2022 04:55 Write a comment
China will continue to improve its space infrastructure, and integrate remote-sensing, communications, navigation, and positioning satellite technologies in the next five years, according to a white paper released on Friday.
The white paper, titled "China's Space Program: A 2021 Perspective", was issued by the State Council Information Office of China.
According to the paper, China w How big does your quantum computer need to be?
Wednesday, 02 February 2022 04:55 Write a comment
Quantum computers are expected to be disruptive and potentially impact many industry sectors. So researchers in the United Kingdom and the Netherlands decided to explore two very different quantum problems: breaking the encryption of Bitcoin (a digital currency) and simulating the molecule responsible for biological nitrogen fixation.
In AVS Quantum Science, from AIP Publishing, the resear China launches L-SAR 01A satellite for land observing
Wednesday, 02 February 2022 04:55 Write a comment
China launched a Long March-4C rocket to place a new satellite in space Wednesday.
The rocket blasted off at 7:44 a.m. (Beijing Time) at the Jiuquan Satellite Launch Center in northwest China and soon sent the L-SAR 01A satellite into preset orbit.
The satellite, equipped with L-band synthetic aperture radar (SAR), will be used to monitor the geological environment, landslides and ea Lion will roam above the planet - KP Labs to release their "king of orbit"
Wednesday, 02 February 2022 04:55 Write a comment
KP Labs is beginning to work on an expansion of its product portfolio with an on-board computer for small satellites that will streamline and speed up on-orbit data processing, as well as ensure greater hardware reliability in modern satellite missions. This is the third Data Processing Unit (DPU) designed by KP Labs, and the first one suited for use in larger missions. After the introduction of