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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 ↗521 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.
- arXiv · Published · First archived
Modeling of the Yarkovsky effect. I. Thermal dependence ↗
We investigate how the Yarkovsky effect created by one flat surface element on the asteroid depends on the thermal parameter. Then we integrate the Yarkovsky force over the surface of a spherical asteroid. In the next articles of the series, we will investigate the Yarkovsky force for bodies of more complicated shape and compute the change of the asteroid's orbit. Using perturbation theory, we analytically solve the one-dimensional heat conduction equation under the surface element and use the solution to analytically compute the Yarkovsky effect in the limiting cases of big and small thermal…
- NASA · Source date · First archived
NASA Awards Orbital Safety Analysis Support Services Contract ↗
NASA has awarded a contract to Omitron Inc. for the acquisition of orbital safety analysis services, which provide for critical protection of NASA spaceflight assets and astronaut lives. This indefinite-delivery contract is valued at approximately $23.5 million over a five-year period of performance and entails conjunction assessment screening services for all NASA uncrewed spacecraft, support of human spaceflight activities, and orbital safety analysis support to the National Oceanic and Atmospheric Administration’s Office of Space Commerce. The work will take place at Omitron’s location in B…
- NASA · Source date · First archived
NASA Features Exploration, Science at International Space Conference ↗
Caption: Broadway performers are seen as they sing during the opening ceremony of the 70th International Astronautical Congress, Oct. 21, 2019 at the Walter E. Washington Convention Center in Washington. Credit: NASA/Joel Kowsky Editor’s Note: This advisory was updated on Sept. 30, 2026, to reflect additional NASA activities. NASA will participate in the 77th International Astronautical Congress (IAC) in Antalya, Türkiye, from Monday, Oct. 5, to Friday, Oct. 9, highlighting America’s leadership in human exploration to the Moon and Mars, advancing responsible exploration under the Artemis Accor…
- NASA · Source date · First archived
NASA Adds Blue Origin New Glenn 9×4 to Launch Services Contract ↗
Credit: NASA In accordance with a contract on-ramp clause, NASA has added Blue Origin’s New Glenn 9×4 launch service to the NASA Launch Services (NLS) II contract. The New Glenn 9×4 launch service will be available to NASA’s Launch Services Program Office to use for future missions. The NLS II contracts are multiple-award, indefinite-delivery/indefinite-quantity contracts with an ordering period through June 2030, and an overall period of performance through December 2032. The NLS II contracts include an on-ramp provision that provides an opportunity annually for new launch service providers t…
- arXiv · Published · First archived
Migration and Evolution of giant ExoPlanets (MEEP). III. Twenty-Nine Giant Planets from the TESS Mission ↗
We present the discovery and characterization of 29 hot and warm Jupiter systems transiting bright ($G < 12.8$) FGK stars using TESS data and ground-based photometry and spectroscopy. Through the use of high angular resolution imaging, we discovered three bound stellar companions, named TOI-3988 B, TOI-6171 B, and TOI-7266 B. The planets that we confirmed span an orbital period range of $1.28 - 16.9$ days, a mass range of $0.35 - 8.7$ $\mathrm{M}_{\mathrm{J}}$, and an orbital eccentricity range of $0 - 0.6$, and add to the growing self-consistent sample of hot and warm Jupiter systems detected…
- arXiv · Published · First archived
Space Journey Beyond Earth: Exploring the properties of exoplanets and multi-planetary systems ↗
In contrast to the observed exoplanet diversity, planets within many multi-planetary systems exhibit intra-system similarities in their radii, masses, and orbital spacings. This thesis investigates the planetary properties and system architectures, focusing on the intra-system similarities, the inferred planetary interior compositions, and the differences between single- and multi-planetary systems. Paper A shows that planets within the same system tend to have similar orbital spacings even when their sizes or masses differ. The spacing similarity is more pronounced in orbital period ratios th…
- Hacker News · Posted on Hacker News · First archived
Ask HN: Any guesses on which model/provider is Space Bunny Alpha on OpenRouter? ↗
They current have the model available for free usage and it's pretty fast but not as good as Opus 5.5 or Sol 6: https://openrouter.ai/stealth/space-bunny-alpha Curious what guesses people have behind the provider/model for this?
- Hacker News · Posted on Hacker News · First archived
Show HN: Real-time Solar System with 526k asteroids and all tracked satellites ↗
Hacker News discussion.
- NASA · Source date · First archived
NASA Sets Crew-13 Launch, Docking Coverage ↗
The four members of NASA’s SpaceX Crew-13 mission to the International Space Station pose together for an official crew portrait. From left are Roscosmos cosmonaut Sergey Teteryatnikov, NASA astronauts Luke Delaney and Jessica Watkins, and CSA (Canadian Space Agency) astronaut Joshua Kutryk. Credit: NASA/Bill Stafford Editor’s note: This advisory was updated Sept. 30, 2026 with an updated time for the prelaunch news conference . NASA will provide live coverage of prelaunch, launch, and docking activities for the agency’s SpaceX Crew‑13 mission to the International Space Station. Live coverage…
- Hacker News · Posted on Hacker News · First archived
Space-bunny-alpha a reasoning model from an anonymous provider ↗
Hacker News discussion.
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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