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#callisto — Public Fediverse posts

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

  1. 04.36: De Gal. maan #Ganymedes staat 0,82'' Z van #Callisto. #Ganymedes bedekt #Callisto voor 29%. De bedekking duurt van 4:31:08 tot 4:40:22 uur. #Jupiter staat i/h oostnoordoosten op een hoogte van 4gr boven de horizon, en goed zicht op de horizon is nodig om dit te kunnen zien. De #Zon staat 21gr onder de horizon en het is goed donker. Om een nauwe samenstand van manen van #Jupiter te bekijken is een goede, stabiele verrekijker op... Meer info: hemel.waarnemen.com/astrokal/

  2. Mercury and Jupiter rising in the east in bright morning twilight.

    The second image is a magnified view of the first and shows the overexposed disk of Jupiter and faint images of its four Galilean moons: Ganymede, Europa, Callisto, and Io. (Third graphic is from planetarium sky simulation software.)

    This is a follow up to my toot from a few days ago:
    universeodon.com/@KrajciTom/11

    #Photography #Astrophotography #Jupiter #Mercury #Satellite #Moon #Galileo #Callisto #Ganymede #Europa #Io #Morning #Twilight

  3. [#Ganymede and #Callisto: so close and yet so different] They were born in the same environment - the disk of gas and dust surrounding #Jupiter, but differ in their internal structures. What explains this divergence?

    The temperatures prevailing within the accretion regions of the two icy moons are thought to be responsible for this differentiation, according to work by researchers at IRAP and @LAM_Marseille.

    More info : irap.omp.eu/en/2025/06/ganymed

    #planetology #astronomy

  4. [#Ganymède et #Callisto : si proches et pourtant si différentes] Elles sont nées dans le même environnement - le disque de gaz et de poussière entourant #Jupiter, mais se distinguent par leurs structures internes. Comment expliquer cette divergence ?

    Les températures régnant au sein des régions d'accrétion des deux lunes glacées seraient responsables de cette différentiation, d'après les travaux de chercheurs de l'IRAP et du @LAM_Marseille.

    Infos+ : irap.omp.eu/2025/06/ganymede-e

    #planetology

  5. 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)

  6. How did we name our planets and moons? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice explain all the things you thought you knew about the names in our solar system, the origin of the moon, and the constellations in the night sky.
    Things You Thought You Knew – Naming Planets, Moons, & More with Neil deGrasse Tyson
  7. #MIT Technology Review 📆 December 22, 2022 What’s next in #space in 2023 2️⃣0️⃣2️⃣3️⃣

    ▶️ Moon landings
    • first #private mission #Hakuto to land on the #moon🌙 in 📆 March, by #ispace, #UAE #emirates
    #private #landers #Peregrine, #Nova-C, by #Astrobotic, #IntuitiveMachines
    #Chandrayaan-3, #SLIM by #India 🇮🇳 and #Japan 🇯🇵 #spaceagencies
    #Luna-25 by #Russia 🇷🇺

    ▶️ Private #spacetravel
    #PolarisDawn #CrewDragon to an #orbit of 1,200 km by #SpaceX, Jared #Isaacman
    #Axiom-2, Axiom-3 to #ISS by #SpaceX
    #Starliner to #ISS by #Boeing
    #NewShepard to 100 km by #BlueOrigin

    ▶️ #solarsystem
    #JUICE to #Jupiter's #Ganymede, #Callisto, #Europa🌙 by #ESA
    #Euclid #telescope 🔭 by #SpaceX, #ESA
    #Psyche by #NASA

    ▶️ #LEO
    #Kuiper by #ULA, #Amazon

    ▶️ #heavylift #rockets
    #Starship 🚀 to #LEO by SpaceX
    #VulcanCentaur 🚀 by #ULA
    #NewGlenn 🚀 by #BlueOrigin

    technologyreview.com/2022/12/2

    #SpaceAgency #SpaceCompany #RocketScience