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#trajectories — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #trajectories, aggregated by home.social.

  1. A New Way to Plan Trajectories to Asteroids
    atlas.whatip.xyz/post.php?slug
    <p>There are tens of thousands of Near-Earth Objects (NEOs) that represent some of the most easily
    #trajectories #asteroids #thousands #there

  2. A New Way to Plan Trajectories to Asteroids
    atlas.whatip.xyz/post.php?slug
    <p>There are tens of thousands of Near-Earth Objects (NEOs) that represent some of the most easily
    #trajectories #asteroids #thousands #there

  3. @cosmiclibrarian “Ultimately, the early 2026 fireball wave highlights a glaring blind spot in our planetary defense and astronomical monitoring.

    Right now, scientists are relying heavily on #crowdsourced eyewitness accounts to calculate #trajectories. When the 7-ton asteroid exploded over Ohio, the only #AMS affiliated #AllskyCamera in the state was offline.”

    Loosing Carl, terrible; Loosing his expertise is really bad right now.

    <zmescience.com/science/news-sc>

  4. @cosmiclibrarian “Ultimately, the early 2026 fireball wave highlights a glaring blind spot in our planetary defense and astronomical monitoring.

    Right now, scientists are relying heavily on #crowdsourced eyewitness accounts to calculate #trajectories. When the 7-ton asteroid exploded over Ohio, the only #AMS affiliated #AllskyCamera in the state was offline.”

    Loosing Carl, terrible; Loosing his expertise is really bad right now.

    <zmescience.com/science/news-sc>

  5. @cosmiclibrarian “Ultimately, the early 2026 fireball wave highlights a glaring blind spot in our planetary defense and astronomical monitoring.

    Right now, scientists are relying heavily on #crowdsourced eyewitness accounts to calculate #trajectories. When the 7-ton asteroid exploded over Ohio, the only #AMS affiliated #AllskyCamera in the state was offline.”

    Loosing Carl, terrible; Loosing his expertise is really bad right now.

    <zmescience.com/science/news-sc>

  6. @cosmiclibrarian “Ultimately, the early 2026 fireball wave highlights a glaring blind spot in our planetary defense and astronomical monitoring.

    Right now, scientists are relying heavily on #crowdsourced eyewitness accounts to calculate #trajectories. When the 7-ton asteroid exploded over Ohio, the only #AMS affiliated #AllskyCamera in the state was offline.”

    Loosing Carl, terrible; Loosing his expertise is really bad right now.

    <zmescience.com/science/news-sc>

  7. @cosmiclibrarian “Ultimately, the early 2026 fireball wave highlights a glaring blind spot in our planetary defense and astronomical monitoring.

    Right now, scientists are relying heavily on #crowdsourced eyewitness accounts to calculate #trajectories. When the 7-ton asteroid exploded over Ohio, the only #AMS affiliated #AllskyCamera in the state was offline.”

    Loosing Carl, terrible; Loosing his expertise is really bad right now.

    <zmescience.com/science/news-sc>

  8. More research using 🤩

    Golze, J., & Sester, M. (2024). Determining user specific of locations extracted from . Transportation Research Procedia, 78, 215-221. - "stop points are extracted from the GPS using the framework MovingPandas"

    sciencedirect.com/science/arti

  9. is an data management and analytics platform for (github.com/MobilityDB/Mobility). Its core function is to efficiently store and query tracks, such as vehicle . It implements the specification. MobilityDB is engineered from and , providing via

    More in Esteban's talk on
    crunchydata.com/community/even

  10. The #purpose of invoking the notion of “purpose” is to emphasize the irrelevance of the #trajectories traced by such a system en route from an arbitrary initial #state to its #goal. In a synthesized system whose inner workings are known, this irrelevance has no significance. This irrelevance becomes highly significant, however when the analytic problem, the machine identification problem, cannot be solved, because, for instance, it is trans-computational in the sense that with known algorithms the number of elementary computations exceeds the age of the universe expressed in nanoseconds.

    From #H_v_Foerster’s definition of CYBERNETICS in the Encyclopedia of Artificial Intelligence, Wiley, 1987, as presented in:

    apps.dtic.mil/sti/tr/pdf/ADA17

  11. The backward #Trajectories for #Sicily clearly show how the air is trapped in the broad circulation of the anticyclone, descending as if in a swirl and heating.

    #Heatwave
    #Heatdome

  12. "The raw coordinates and their timestamps were processed to detect individual (trips) for each battery using @movingpandas

    The individual trajectories were split between stopping points, which were detected when the coordinates of the remained within a diameter of 200 m for at least 5 min

    For each detected trip, the start time, end time, trip duration, trip distance, and average trip speed were determined and recorded for further analysis

  13. 🎉 Finally, the first release of for PostGIS :postgresql: on

    3.3.3 Bundle for is now available on application
    stackbuilder and website.
    Details of what's included are listed on:
    postgis.net/documentation/gett

    For more about in visit mobilitydb.com

    Huge thanks to @reginaobe for making this happen

  14. @Pat

    I’ll give you that you may have a #structure as a #record of how one or more (finite number of) variables change in time (#trajectories) describing some observed behavior, but this is not what Wolfram’s “pyramids” are. They look more like inverted sedimentation structures.

    Also, as far as I understand cosmology, all the “pixels” in the expanding universe were there from the beginning. The expanding universe is not creating any new pixels as Wolfram’s automatons do.

  15. Learning Energy Conserving Dynamics Efficiently with Hamiltonian Gaussian Processes

    Magnus Ross, Markus Heinonen

    openreview.net/forum?id=DHEZuK

    #hamiltonian #trajectories #gaussian

  16. TITRATED: Learned Human Driving Behavior without Infractions via Amortized Inference

    Vasileios Lioutas, Adam Scibior, Frank Wood

    openreview.net/forum?id=M8D5iZ

    #driving #trajectories #autonomous

  17. Many years ago when #OpenStreetMap was a young project, most of the #map was empty. I collected many #GPS #trajectories and mapped a large portion of my original hometown, #Kurikka, and many other places in #Finland.
    Nowadays practically all the streets are there and mapped, but at the start there was nothing.

  18. @IvanSanchez wow, looks like you're onto something big here. I assume these trajectory animations would also work correctly around the date line?

  19. @IvanSanchez wow, looks like you're onto something big here. I assume these trajectory animations would also work correctly around the date line?
    #DataVisualisaton #MovementDataAnalytics #ais #trajectories

  20. @IvanSanchez wow, looks like you're onto something big here. I assume these trajectory animations would also work correctly around the date line?
    #DataVisualisaton #MovementDataAnalytics #ais #trajectories

  21. @IvanSanchez wow, looks like you're onto something big here. I assume these trajectory animations would also work correctly around the date line?
    #DataVisualisaton #MovementDataAnalytics #ais #trajectories

  22. @IvanSanchez wow, looks like you're onto something big here. I assume these trajectory animations would also work correctly around the date line?
    #DataVisualisaton #MovementDataAnalytics #ais #trajectories

  23. Quick shout-out for an important and relevant to the moment paper in Trends in Cognitive Sciences:
    'Trajectories of resilience and mental distress to global major disruptions' by Sarah K.Schäfer

    2 key points:
    1. 'Resilience is the most common response identified in most studies for most respondents'
    2. 'Negative mental health consequences appear more significant for younger adults and less so for older adults.'

    sciencedirect.com/science/arti

    #resilience #trajectories #MentalHealth #stressor

  24. Working with data in ? Have a look at the extension:

    mobilitydb.com/

    It's dedicated types make many analyses much simpler, e.g. closest point of approach between pairs of , here shown as shortest lines in :

    anitagraser.com/2022/09/30/det