Feed aggregator

SpaceX Launches New NASA Telescope to Help JWST Study Exoplanets

Slashdot.org - Sun, 01/18/2026 - 17:29
Last week a University of Arizona astronomy professor "watched anxiously...as an awe-inspiring SpaceX Falcon 9 rocket carried NASA's new exoplanet telescope, Pandora, into orbit." In 2018 NASA had approached Daniel Apai to help build the telescope, which he says will "shatter a barrier — to understand and remove a source of noise in the data — that limits our ability to study small exoplanets in detail and search for life on them." Astronomers have a trick to study exoplanet atmospheres. By observing the planets as they orbit in front of their host stars, we can study starlight that filters through their atmospheres... But, starting from 2007, astronomers noted that starspots — cooler, active regions on the stars — may disturb the transit measurements. In 2018 and 2019, then-Ph.D. student Benjamin V. Rackham, astrophysicist Mark Giampapa and I published a series of studies showing how darker starspots and brighter, magnetically active stellar regions can seriously mislead exoplanets measurements. We dubbed this problem "the transit light source effect...." In our papers — published three years before the 2021 launch of the James Webb Space Telescope - we predicted that the Webb cannot reach its full potential. We sounded the alarm bell... Pandora will do what Webb cannot: It will be able to patiently observe stars to understand how their complex atmospheres change. By staring at a star for 24 hours with visible and infrared cameras, it will measure subtle changes in the star's brightness and colors. When active regions in the star rotate in and out of view, and starspots form, evolve and dissipate, Pandora will record them. While Webb very rarely returns to the same planet in the same instrument configuration and almost never monitors their host stars, Pandora will revisit its target stars 10 times over a year, spending over 200 hours on each of them. It's the first space telescope "built specifically for detailed multi-color observations of starlight filtered through the atmospheres of exoplanets," reports the Arizona Daily Star, noting the University of Arizona will serve as mission control: [T]echnicians will operate Pandora in real time and monitor its telemetry and overall health under a contract with NASA... The spacecraft will undergo about a month of commissioning before beginning science operations, which are scheduled to last for a year... Pandora was selected as part of NASA's Astrophysics Pioneers program, which was created in 2020 to foster compelling, relatively low-cost science missions using smaller, cheaper hardware and flight platforms with a price cap of no more than $20 million. By comparison, the Webb telescope — the largest and most powerful astronomical observatory ever sent into space — carries a pricetag of about $10 billion. Pandora is a joint mission NASA and California's Lawrence Livermore National Laboratory.

Read more of this story at Slashdot.

Hundreds Answer Europe's 'Public Call for Evidence' on an Open Digital Ecosystem Strategy

Slashdot.org - Sun, 01/18/2026 - 15:57
The European Commission "has opened a public call for evidence on European open digital ecosystems," writes Help Net Security, part of preparations for an upcoming Communication "that will examine the role of open source in EU's digital infrastructure." The consultation runs from January 6 to February 3, 2026. Submissions will be used to shape a Commission Communication addressed to the European Parliament, the Council, and other EU bodies, which is scheduled for publication in the first quarter of 2026... The call for evidence links Europe's reliance on digital technologies developed outside the EU to concerns over long term control of infrastructure and software supply chains... Open digital ecosystems are discussed in the context of technological sovereignty and the use of technologies that can be inspected, adapted, and shared. Long-time Slashdot reader Elektroschock describes it as the European Commission "stepping up its efforts behind open-source software" Building on President von der Leyen's political guidelines, the initiative will review the Commission's 2020-2023 open-source approach and set out concrete actions to strengthen Europe's open-source ecosystem across key areas such as cloud, AI, cybersecurity and industrial technologies. The strategy will be presented alongside the upcoming Cloud and AI Development Act, forming a broader policy package aimed at reducing strategic dependencies and boosting Europe's digital resilience. And "In just a few days, over 370 submissions have already been filed, indicating that the issue is touching a nerve across the EU," writes CyberNews.com: "Europe must regain control over its software supply chain to safeguard freedom, security, and innovation," suggests an individual from Slovakia. Similar perspectives appear to be widely shared among respondents... The document doesn't mention US tech giants specifically, but rather aims to support tech sovereignty and seek "digital solutions that are valid alternatives to proprietary ones...." "This is not a legislative initiative. The strategy will take the form of a Commission communication. The initiative will set out a general approach and will propose: actions relying on further commitments and an implementation process," the EC explains. Policymakers expect the strategy to help EU member states identify the necessary steps to support national open-source companies and communities.

Read more of this story at Slashdot.

Microsoft Forced to Issue Emergency Out-of-Band Windows Update

Slashdot.org - Sun, 01/18/2026 - 14:34
The senior editor at the blog Windows Central decries two serious Windows issues "that were not spotted by Microsoft during testing, and are so severe that the company has now issued an emergency fix to address the problems." Microsoft's first update for Windows 11 in 2026 has already caused two major issues that saw users unable to fully shutdown their PCs or sign-in into a device when using Remote Desktop... Being unable to shut down your PC due to a recent OS update is a huge oversight on Microsoft's part, but this is the latest in a long list of updates over the last year to cause a major issue like this... Other issues that have cropped up in Windows 11 in the last year include a bug that caused Task Manager to fail to close when the user exited the application, causing system resources to lock up after a prolonged period of time if the user had opened and closed Task Manager multiple times in a session. Another update caused saw File Explorer flashbang users with a white screen when opening it in dark mode, which appeared in an update that was supposed to improve dark mode on Windows 11... For whatever reason, the Windows Insider Program doesn't appear to be working anymore, as severe bugs are somehow making it into shipping versions of the OS. "The out of band updates, KB5077744 and KB5077797, are available now via Windows Update and is rolling out to everybody," they write. "Once installed, your PC should go back to being able to shut down successfully, and signing-in via Remote Desktop should work again." Microsoft has also officially acknowledged a third bug which crashes Outlook Classic when using POP accounts, according to the blog Windows Latest, which adds that that bug has not yet been fixed. They've also identified other minor bugs, including "a black screen problem in Windows 11 KB5074109... either due to the update itself or some compatibility issues with GPU drivers." After you install the January 2026 Update, Windows triggers random black screens where the desktop freezes for a second or two, the display goes black, then everything comes back. I can't pinpoint any specific configuration, but I can confirm the black screen issue has been observed on a small subset of PCs with both Nvidia and AMD GPUs. After you install the January 2026 Update, Windows triggers random black screens where the desktop freezes for a second or two, the display goes black, then everything comes back.

Read more of this story at Slashdot.

Astronomers Finally Explain How Molecules From Earth's Atmosphere Keep Winding Up On the Moon

Slashdot.org - Sun, 01/18/2026 - 12:34
An anonymous reader shared this report from CNN: Particles from Earth's atmosphere have been carried into space by solar wind and have been landing on the moon for billions of years, mixing into the lunar soil, according to a new study [published in the journal Nature Communications Earth & Environment last month]. The research sheds new light on a puzzle that has endured for over half a century since the Apollo missions brought back lunar samples with traces of substances such as water, carbon dioxide, helium and nitrogen embedded in the regolith — the moon's dusty surface layer. Early studies theorized that the sun was the source of some of these substances. But in 2005 researchers at the University of Tokyo suggested that they could have also originated from the atmosphere of a young Earth before it developed a magnetic field about 3.7 billion years ago. The authors suspected that the magnetic field, once in place, would have stopped the stream by trapping the particles and making it difficult or impossible for them to escape into space. Now, the new research upends that assumption by suggesting that Earth's magnetic field might have helped, rather than blocked, the transfer of atmospheric particles to the moon — which continues to this day. "This means that the Earth has been supplying volatile gases like oxygen and nitrogen to the lunar soil over all this time," said Eric Blackman, coauthor of the new study and a professor in the department of physics and astronomy at the University of Rochester in New York. Earth's magnetic field "somewhat inflates the atmosphere of Earth" when it's hit by solar winds, according to study coauthor Eric Blackman, a physics/astronomy professor at New York's University of Rochester. He told CNN the moon passes through this region for a few days each month, with particles landing on the lunar surface and embedding in the soil (because the moon lacks an atmosphere that would block them). This also means the moon's soil could actually contain a chemical record of Earth's ancient atmosphere, according to the study — "spanning billions of years..."

Read more of this story at Slashdot.

Acer Sues Verizon, AT&T, and T-Mobile, Alleging Infringment on Acer's Cellular Networking Patents

Slashdot.org - Sun, 01/18/2026 - 11:34
Slashdot reader BrianFagioli writes: Acer has filed three separate patent infringement lawsuits against AT&T, Verizon, and T-Mobile, taking the unusual step of hauling the nation's largest wireless carriers into federal court. The suits, filed in the Eastern District of Texas, claim the companies are using Acer-developed cellular networking technology without paying for the privilege. Acer says it tried to negotiate licenses for years but reached a dead end, arguing it was left with no option except litigation. The case centers on six U.S. patents Acer asserts are core to modern wireless networks, rather than anything tied to PCs or laptops. The company describes itself as reluctant to pursue courtroom battles, but it has been quietly building a large global patent portfolio after pouring hundreds of millions of dollars into R&D. Acer also notes that some of its patents count as standard-essential, hinting the carriers may be required to license them. All three companies are expected to push back, and the dispute could become another long-running telecom patent saga. Consumers will not notice any immediate changes, but if Acer wins or settles, it may find a new revenue stream far beyond its traditional hardware business. Further coverage from Hot Hardware

Read more of this story at Slashdot.

China Builds 'Hypergravity' Machine 2,000X Stronger Than Earth

Slashdot.org - Sun, 01/18/2026 - 10:34
Long-time Slashdot reader schwit1 shared this report from Futurism: China has unveiled an extremely powerful "hypergravity machine" that can generate forces almost two thousand times stronger than Earth's regular gravity. The futuristic-looking machine, called CHIEF1900, was constructed at China's Centrifugal Hypergravity and Interdisciplinary Experiment Facility (CHIEF) at Zheijang University in Eastern China, and allows researchers to study how extreme forces affect various materials, plants, cells, or other structures, as the South China Morning Post reports... [Once up and running, it will allow researchers to recreate "catastrophic events such as dam failures and earthquakes inside a laboratory, according to the university."] For instance, it can analyze the structural stability of an almost 1,000-feet-tall dam by spinning a ten-foot model at 100 Gs, meaning 100 times the Earth's regular gravity. It could also be used to study the resonance frequencies of high-speed rail tracks, or how pollutants seep into soil over thousands of years. The machine officially dethroned its predecessor, CHIEF1300, which became the world's most powerful centrifuge a mere four months ago... It can generate 1,900 g-tonnes of force, or 1,900 times the Earth's gravity. To put that into perspective, a washing machine only reaches about two g-tonnes.

Read more of this story at Slashdot.

Syndicate content
Comment