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#astronomers — Public Fediverse posts

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

  1. 3i/Atlas @[email protected] ·

    Is there a hidden 'Planet 9' in our solar system?
    atlas.whatip.xyz/post.php?slug
    Quick take: <p>For more than a century
    #astronomers #century #planet #system

    #system #planet #century #astronomers
  2. Colin Burgess @[email protected] ·

    View from the top! The Lick Observatory is at 1,283m (4209 ft) above sea level

    You can still see fire damage from a few years ago - we came perilously to losing this treasure!

    #astronomers #MentalHealthHike #Astrodon

    #astronomers #mentalhealthhike #astrodon
  3. Colin Burgess @[email protected] ·

    The interior of the Shane Telescope - not great pictures unfortunately, but still amazing to see

    #astronomers #MentalHealthHike #Astrodon

    #astronomers #mentalhealthhike #astrodon
  4. Colin Burgess @[email protected] ·

    The Shane Telescope

    lickobservatory.org/explore/re

    The building is open to the public during the day while the #astronomers / vampires are sleeping :-)

    #MentalHealthHike #Astrodon

    #astronomers #mentalhealthhike #astrodon
  5. Australia News Beep @[email protected] ·

    A new supernova has been discovered about 40 million light-years from Earth

    ⓘ NASA – Unsplash An artist’s illustration showing a star and a planet. Astronomers…
    #NewsBeep #News #Science #Astronomers #Astronomy #Atlas #AU #Australia #benchmarks #Cosmos #discovery #galaxy #graphicscard #InfraRed #laptop #NASA #netbook #NGC7331 #notebook #processor #reports #review #reviews #Sciencenews #SN2026aaiv #Space #SpaceNews #supernova #telescope #test #tests #whitedwarf
    newsbeep.com/au/885890/

    #newsbeep #news #science #astronomers #astronomy #atlas
  6. BGDon 🇨🇦 🇺🇸 👨‍💻 @[email protected] ·

    Things in the Universe that make you go Hmmmm!

    Astronomers spot a new object. It appears to be a star as big as our solar system emitting 100 billion times more energy than any known star can physically produce?

    Is this a "black hole star" MIT astronomers are asking .... Scientists indicate the most likely explanation for this strange new red dot is that it is a mashup of a black hole and a star. phys.org/news/2026-08-black-ho
    #Astrophysics #MIT #Astronomy #Universe #Stars #BlackHoles #BlackHoleStar #NASA #JamesWebbSpaceTelescope #JWST #SpaceTelescope #Astronomers

    #astrophysics #mit #astronomy #universe #stars #blackholes
  7. 3i/Atlas @[email protected] ·

    These ancient quasars shouldn't exist so soon after the Big Bang
    atlas.whatip.xyz/post.php?slug
    <p>Astronomers have uncovered 31 of the oldest known quasars
    #astronomers #quasars #ancient #shouldn

    #shouldn #ancient #quasars #astronomers
  8. Hashtag Lists @[email protected] ·
    CW: Long List of Space-related Hashtags & Handles

    Space

    Physical Sciences
    #Astronomy #AstroPhysics #Cosmology

    General
    #AsteroidMining #Asteroids #AsteroidThreat #Astrodon #Astronomers #AstronomyMastodon #AstroPhotography #AstroTuesday #BlackHole #BlackHoles #CelestialBodyLanding #ClearSkies #Comet #Comets #DarkEnergy #DarkMatter #DeepSky #DSOC (Deep Space Optical Communications) #Exoplanets #Galaxy #Galaxies #Gravity #GravitationalWaves #HallEffectThruster #HumanSpaceflight #HumanSpaceflightBasics #HumanSpaceflightHealth #HumanSpaceflightSecurity #ISRU (in situ resource utilization) #LaunchCost #Lunar3dPrinting #MoonMining #NightSky #Observatory #Planetarium #PlanetsryScience #PrivateSpaceflight #Pulsars #Quasars #ReusableLaunchVehicle #RocketEngine #RocketScience #SatelliteImprovement #SatelliteInternetAccess #Satellites #SBSP (Space-based Solar Power) #SmallSat #SolarPhysics #Space #SpaceAgency #SpaceCommunication #SpaceCompany #SpaceCraft #SpaceColonization #SpacecraftComparison #SpacecraftPropulsion #SpaceDebris #Spacedon #SpaceEnergy #SpaceEvent #SpaceExploration #SpaceFood #SpaceForce #SpaceHabitat #SpaceHistory #SpaceHotel #SpaceIndustry #SpaceInfrastructure #SpaceLogistics #SpaceMaintenance #SpaceMastodon #SpaceMining #SpaceNavigation #SpacePhotography #SpacePlants #SpacePolitics #SpacePort #SpaceRegulation #SpaceRobot #SpaceScience #SpaceSciFi #SpaceShip #SpaceScience #SpaceStation #SpaceSuit #SpaceTelescope #SpaceTourism #SpaceWelding #SpaceX #StarGazing @starrytimepod #TimeToOrbit #Universe

    Organisations
    Canadian Space Agency (CSA) 🇨🇦
    #EuropeanSpaceAgency (#ESA) 🇪🇺
    European Space Research Organisation (ESRO) 🇪🇺
    Japan Aerospace Exploration Agency (#JAXA) 🇯🇵
    Jet Propulsion Laboratory (#JPL) 🇺🇸
    National Aeronautics and Space Administration (#NASA) 🇺🇸
    Space Telescope Science Institute (STSciI) 🇪🇺

    Missions
    #Artemis (#NASAArtemis) #BepiColombo #Cassini COBE #Euclid #EuclidMission #EuropaClipper #Hayabusa2 #InternationalSpaceStation (#ISS) JupiterIcyMoonExplorer (#Juice) #JuiceMission #Juno #Gaia #MMX #Magellan #Voyager1 #Voyager2

    Space Telescopes
    #SpaceTelescope #Telescope

    #ChandraXRay (#Chandra) #ESAEuclid #EventHorizonTelescope #Hubble #HubbleSpaceTelescope (#HST) #IXPE #JamesWebbSpaceTelescope #JWST (#Webb) #Kepler #MIRI #NIRcam #NIRISS #NIRSpec #Spitzer

    Earth Observatories
    #Arecibo 🇵🇷 #AtacamaLargeMillimeterArray (#ALMA) 🇨🇱 #CerroTololo 🇨🇱 #EuropeanSouthernObservatory (#ESO) 🇩🇪 #Haleakala 🇺🇸 #Herschel (#WHT) 🇮🇨 #Keck 🇺🇸 #KittPeak 🇺🇸 #LIGO 🇺🇸 #MaunaKea 🇺🇸 #Paranal 🇨🇱 #Parkes 🇦🇺 #RoqueDeLosMuchachos 🇪🇸 #SquareKilometreArrayObservatory (#SKAO) 🇦🇺 #VeryLargeTelescope (#VLT) 🇨🇱

    Mastodon Observatories
    Abbey Ridge Observatory 🇨🇦 @abbeyridgeobs
    Burke-Gaffney Observatory 🇨🇦 @BGO
    Hamburg Observatory 🇩🇪 @HambObs
    Las Cumbres Observatory 🇦🇺 🇿🇦 🇮🇨 🇨🇱 🇺🇸 🇮🇱 🇨🇳 @lco
    Mount Burnett Observatory 🇦🇺 @mbo
    Rubin Observatory 🇨🇱 @VRubinObs
    Stella-Luna Observatory 🇺🇸 @StellaLunaObs
    Westport Observatory 🇺🇸 @WestportObservatory

    Astrophotography
    Andrea Luck @andrealuck
    Astronomy Picture of the Day @APoD
    Cathie LeBlank @cathieleblanc
    Craig Kolb @cek
    Dan Kagelmacher @[email protected]
    David Blanchflower @DavidBflower
    DGMc @Astrobum
    Frank Adler @adfr
    jdsoubeyran @jdsoubeyran
    Kreegan99 @kreegan99
    Landru79 @Landru79
    Loran Hughes @WestwoodAstro
    Mollenberg Observatory @MollenbergSky
    Naztronomy @naz
    Noom @noom
    Philo @philo
    Roger Sliva @[email protected]
    Simeon Schmauß @stim3on
    UniversoMagico @UniversoMagico

    Solar System
    #Sun #SolarCorona
    #KuiperBelt

    Planets
    #Mercury
    #Venus
    #Earth
    • #Moon #Lunar
    #Mars
    • #Phobos #Deimos
    #Jupiter
    • #Callisto #Ganymede #Europa #Io
    #Saturn
    • #Enceladus #Mimas #Titan
    #Uranus
    • #Ariel #Miranda Titania
    #Neptune
    • #Triton

    Dwarf Planets
    #Pluto
    • #Charon
    #Ceres
    Makemake
    Haumea
    #Eris

    Hypothetical
    #PlanetX

    Beyond
    OortCloud
    #ProximaCentauri
    #SagittariusA*
    #MilkyWay
    #Andromeda (#M31)
    #Pleiades (#M45)

    (See Sciences for Other Disciplines)

    (See Index for More Hashtags)

    #astronomy #astrophysics #cosmology #asteroids #astrodon #astronomymastodon
  9. Till Sawala @[email protected] ·

    #Astronomers & #Cosmologists, I know we say that you can't see #DarkMatter, but can we please settle the question, what colour is it, *really*?

    For references, see image in the reply (clockwise from top left, #Millennium, #Boshoi, #MXXL, #Uchuu).

    #astrodon #astronomy #cosmology #astrophysics #simulation

    #astrodon #astronomy #cosmology #astrophysics #simulation #astronomers
  10. FediFollows has moved! @[email protected] ·

    Andy Rivkin is a planetary astronomer who is helping to protect the Earth from asteroids 🌍 ☄️

    You can follow at:

    ➡️ @asrivkin

    Rivkin works on NASA's DART project (en.wikipedia.org/wiki/Double_A) which is testing ways to steer dangerous asteroids away from us.

    Rivkin is based at John Hopkins University in Maryland, USA.

    #AndyRivkin #Astronomy #Astronomer #Astronomers #PlanetaryAstronomy #Asteroids #Asteroid #Space #Science #Scientist #Scientists #Academic #DART #NASA #DontLookUp

    #dontlookup #nasa #dart #academic #scientists #scientist