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Earlier sources: Space
Space research and engineering study the universe and build the systems used to reach and observe it. Follow astronomy, spacecraft, launch systems, satellites, exploration, and Earth observation.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗510 classified signals in the fourteen-day window. Recent momentum: steady. These counts include signals awaiting readable evidence.
Earlier sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- Hacker News · Posted on Hacker News · First archived
Show HN: Perigee real-time web viewer of artificial objects in space ↗
Hacker News discussion.
- Hacker News · Posted on Hacker News · First archived
Ocudu 26.10 brings satellite connectivity to open-source 5G ↗
Hacker News discussion.
- OpenAlex · Published · First archived
Exploring space–behavior interactions during walking in nonlinear architectural spaces based on multi-source data ↗
With the rapid development of parametric design and construction technologies, contemporary nonlinear architectural spaces are reshaping people’s walking behaviors and experiences within them. This study focuses on the Changsha Meixihu Art Museum, a representative nonlinear architectural space. Based on on-site walking experiments with 28 participants, it integrates multi-source data from visibility graph analysis (VGA), video-stimulated recall semi-structured interviews (VSRI), and heart‑rate variability (HRV) to explore space–behavior interactions during walking in nonlinear architectural sp…
- OpenAlex · Published · First archived
A space-time boundary mapped collocation method based on tensor decomposition with adaptive temporal discretization for dynamic analyses of fluid-saturated porous media ↗
A space-time boundary mapped collocation method, incorporating tensor decomposition and adaptive temporal discretization, is proposed for dynamic analysis of fluid-saturated porous media under moving loads. In this method, the time domain is treated as an additional spatial dimension, and tensor decomposition is employed to construct space-time shape functions and generate computational nodes. To address temporal multiscale behavior caused by rapid pore-pressure variation followed by long-term dissipation, the adaptive compact support domain technique is introduced to achieve non-uniform tempo…
- Hacker News · Posted on Hacker News · First archived
NASA issues long-awaited call to industry for private space stations ↗
Hacker News discussion.
- NASA · Source date · First archived
NASA to Conduct Flyover, Engage NFL Fans at MetLife Stadium ↗
NASA’s Freedom 250 F-5 team, including NASA Administrator Jared Isaacman, performs a flyover during the national anthem at an NFL game between the Cleveland Browns and the Carolina Panthers at Huntington Bank Field, Sept. 27, 2026, in Cleveland. Credit: NASA/Jordan Cochran As part of the agency’s Inspiration Tour flyover, NASA Administrator Jared Isaacman will pilot one of three F-5 fighter jets to kick off the New York Jets vs. Cleveland Browns game in East Rutherford, New Jersey, on Sunday, Oct. 11. NASA team members will engage with fans at the agency’s Experience Zone, located at the Jets…
- GitHub · Repository created · First archived
SpaceDataRig/space-data-rig ↗
Autonomous five-seat AI science rig: reproducible exoplanet transit detection on NASA Exoplanet Archive data, with Solana mainnet provenance anchoring.
- arXiv · Published · First archived
Mid-IR Water-Vapor Seeing: Implications for ELT/METIS High-Contrast Imaging from VLTI Data ↗
Direct imaging and characterization of rocky exoplanets remains one of the central challenges in exoplanetary science. The mid-infrared (mid-IR) offers a favorable high-contrast imaging (HCI) regime, as the planet-star contrast is more moderate than at shorter wavelengths. However, mid-IR observations with extremely large ground-based telescopes (ELTs) are strongly affected by spatio-temporal fluctuations in atmospheric water vapor (WV), which introduce chromatic wavefront errors that are largely invisible to adaptive optics systems operating at shorter wavelengths. This poses a significant ch…
- Hacker News · Posted on Hacker News · First archived
RFC9171 Bundle Protocol: The Station Wagon of Tapes for Space? [pdf] ↗
Hacker News discussion.
- arXiv · Published · First archived
Milani and Juventas Optical Navigation Images in Support of the Hera Radio Science Experiment ↗
The European Space Agency's Hera mission aims to advance planetary defense by investigating the Didymos binary asteroid system following NASA's DART impact on Dimorphos. Incorporating simulated CubeSat images into Hera's orbit determination framework significantly improves positional accuracy, reducing uncertainties by up to three orders of magnitude for Milani and one for Juventas. This data enable more precise estimation of key parameters such as asteroid masses, rotational states, and moments of inertia, with up to 90% uncertainty reduction in Dimorphos' dynamical state under chaotic scenar…
Live window recorded . This is the ingestion observation time, not the publication or discovery date of each source.
How to assess evidence about Space
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
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