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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 ↗528 classified signals in the fourteen-day window. Recent momentum: rising. 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.
- NASA JPL · Source date · First archived
NASA Watches Earth’s Weight, Finds Center of Mass ↗
5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Water sloshing between the land and oceans shifts Earth’s center of mass relative to its geometric center. NASA scientists have developed a new technique using ultraprecise satellite tracking to estimate the displacement to within fractions of inches. NASA’s Scientific Visualization Studio Seasonal changes redistribute enough water around Earth to shift the planet’s center of mass back and forth by fractions of an inch relative to its geometric center. NASA scientists are on the case, tracking the oscillations beca…
- NASA JPL · Source date · First archived
How 2 US, European Satellites Are Studying Hurricanes During El Niño ↗
5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Hurricane Melissa is seen 50 miles south of Jamaica in this photograph taken from the International Space Station on Oct. 28, 2025. NASA Last November, NASA and its European partners launched the Sentinel-6B satellite to improve hurricane forecasts, help protect infrastructure, and benefit commercial industries, including shipping. The satellite now is flying 30 seconds behind its predecessor, Sentinel-6 Michael Freilich. Both satellites are providing precise sea level height measurements during what oceanographers…
- NASA JPL · Source date · First archived
NASA’s Dark Universe-Seeking Nancy Grace Roman Space Telescope Launches ↗
A SpaceX Falcon Heavy rocket with NASA’s Nancy Grace Roman Telescope on board is seen transiting the sun during launch from Launch Complex 39A, Sunday, Aug. 30, 2026, at NASA’s Kennedy Space Center in Florida. NASA/John Kraus Now on a three-month, million-mile journey to its final orbit, NASA’s Nancy Grace Roman Space Telescope will soon reveal the universe’s darkest secrets. The mission launched at 7:26 a.m. EDT Sunday aboard a SpaceX Falcon Heavy rocket from Launch Complex 39A at the agency’s Kennedy Space Center in Florida. Roman pairs a large field of view with crisp infrared vision to exp…
- NASA JPL · Source date · First archived
New Next-Gen Dish Adds Muscle to NASA’s Deep Space Network ↗
Antennas soak in the summer Sun in August 2026 at the Deep Space Network’s Goldstone complex near Barstow, California, including the recently completed Deep Space Station 23 (shown in the foreground, to the right). NASA/JPL-Caltech NASA’s Deep Space Network facility in California is marking the addition of a brand new 34-meter-wide (114-foot-wide) radio frequency antenna to the agency’s deep space communications and navigation system. The network uses giant dish antennas located at three global facilities to support more than 40 spacecraft exploring the solar system and interstellar space. The…
- NASA JPL · Source date · First archived
NASA Sets Coverage for Roman Space Telescope Launch from Florida ↗
NASA’s Nancy Grace Roman Space Telescope is encapsulated within the payload fairing at the agency’s Kennedy Space Center in Florida, ahead of mating to a SpaceX Falcon Heavy rocket for launch. Credit: NASA/Sydney Rohde (Rocz) Coverage plans are ready for NASA’s Nancy Grace Roman Space Telescope prelaunch and launch activities. Roman is NASA’s next-generation observatory designed to explore some of the universe’s biggest mysteries, including dark energy. NASA and SpaceX are targeting Roman’s liftoff for no earlier than 7:26 a.m. EDT Sunday, Aug. 30, aboard a SpaceX Falcon Heavy rocket from Laun…
- NASA JPL · Source date · First archived
NASA Mission Studies Air Pollution Over Ethiopia ↗
5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) A busy street in Addis Ababa, Ethiopia’s capital, which is the subject of NASA-led air quality research. Ninaras (CC BY-SA 4.0) A NASA-funded air pollution monitoring network has provided one of the most detailed long-term views yet of the role of black carbon, or soot produced by fires, diesel vehicles, and other combustion sources, in Ethiopia’s capital, Addis Ababa. The detailed measurements show how pollution changes by time of day and season, including increases associated with rush-hour traffic and holiday ce…
- NASA JPL · Source date · First archived
NASA’s Perseverance Rover Watches Earth Vanish Behind Martian Moon ↗
3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) This annotated composite of nine images taken by Perseverance’s Mastcam-Z on July 2, 2026, shows Earth — the small bright dot moving from upper left to lower right — passing behind the Martian moon Phobos. The images in the inset were captured from the same rectangular patch of sky outlined in black. NASA/JPL-Caltech/ASU/MSSS/SSI The timecode annotations in the inset show the local solar time on Mars during which five individual images of the occultation were captured by NASA’s Perseverance on July 2, 2026. Earth d…
- NASA JPL · Source date · First archived
NASA Provides Updates on Moon Base Cargo Landers, Tech Demonstrations ↗
6 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Artist’s rendering of the Moon’s South Pole region. Glowing points of light scattered across the lunar surface represent surface assets supporting sustained human and robotic operations near the South Pole. NASA is making progress in building the Moon Base, which will become a resilient outpost near the Moon’s South Pole for science, technology, and eventual human operations. To advance lunar surface infrastructure development, commercial partners such as Blue Origin, Firefly Aerospace, Intuitive Machines, and Voya…
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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