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#esa — Public Fediverse posts

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

  1. 2026 May 15

    Unraveling NGC 3169
    * Image Credit & Copyright: Simone Curzi and the ShaRA Team
    app.astrobin.com/u/MRWSKYLOVER
    astrotrex.wordpress.com/2024/0

    Explanation:
    Spiral galaxy NGC 3169 looks to be unraveling like a ball of cosmic yarn. It lies some 70 million light-years away, south of bright star Regulus toward the faint constellation Sextans. Wound up spiral arms are pulled out into sweeping tidal tails as NGC 3169 (left) and neighboring NGC 3166 interact gravitationally. Eventually the galaxies will merge into one, a common fate even for bright galaxies in the local universe. Drawn out stellar arcs and plumes are clear indications of the ongoing gravitational interactions across the deep and colorful galaxy group photo. The telescopic frame spans about 20 arc minutes or about 400,000 light-years at the group's estimated distance, and includes smaller, bluish NGC 3165 to the right. NGC 3169 is also known to shine across the spectrum from radio to X-rays, harboring an active galactic nucleus that is the site of a supermassive black hole.
    eso.org/public/videos/eso1114a/
    noirlab.edu/public/images/noao
    apod.nasa.gov/apod/ap120604.ht
    atlasoftheuniverse.com/galgrps
    app.astrobin.com/u/MRWSKYLOVER
    arxiv.org/abs/0801.4382

    apod.nasa.gov/apod/ap260515.ht

    #space #galaxy #astrophotography #photography #science #astronomy #nature #esa #NASA #education #apod

  2. #ESA:
    "
    Von Daten zu Taten: Satellitendaten gezielt für Notfälle nutzen
    "
    "Erdbeobachtungssatelliten .. Daten in nützliche Informationen umzuwandeln, .. Herausforderung .., vor allem bei Naturkatastrophen oder in Notsituationen. Ein Jahr nach .. Start des Projekts „OneWeb Copernicus Data Hub“ zeigt .. GeoVille ..mit .. ESA u. Eutelsat .. Lösung."

    esa.int/Space_in_Member_States

    13.5.2026

    #Copernicus #EO #Erdbeobachtung #Eutelsat #GeoVille #OneWebCopernicusDataHub #Raumfahrt #Satelliten #SpaceFlight

  3. #ESA:
    "
    Von Daten zu Taten: Satellitendaten gezielt für Notfälle nutzen
    "
    "Erdbeobachtungssatelliten .. Daten in nützliche Informationen umzuwandeln, .. Herausforderung .., vor allem bei Naturkatastrophen oder in Notsituationen. Ein Jahr nach .. Start des Projekts „OneWeb Copernicus Data Hub“ zeigt .. GeoVille ..mit .. ESA u. Eutelsat .. Lösung."

    esa.int/Space_in_Member_States

    13.5.2026

    #Copernicus #EO #Erdbeobachtung #Eutelsat #GeoVille #OneWebCopernicusDataHub #Raumfahrt #Satelliten #SpaceFlight

  4. #ESA:
    "
    Von Daten zu Taten: Satellitendaten gezielt für Notfälle nutzen
    "
    "Erdbeobachtungssatelliten .. Daten in nützliche Informationen umzuwandeln, .. Herausforderung .., vor allem bei Naturkatastrophen oder in Notsituationen. Ein Jahr nach .. Start des Projekts „OneWeb Copernicus Data Hub“ zeigt .. GeoVille ..mit .. ESA u. Eutelsat .. Lösung."

    esa.int/Space_in_Member_States

    13.5.2026

    #Copernicus #EO #Erdbeobachtung #Eutelsat #GeoVille #OneWebCopernicusDataHub #Raumfahrt #Satelliten #SpaceFlight

  5. #ESA:
    "
    Von Daten zu Taten: Satellitendaten gezielt für Notfälle nutzen
    "
    "Erdbeobachtungssatelliten .. Daten in nützliche Informationen umzuwandeln, .. Herausforderung .., vor allem bei Naturkatastrophen oder in Notsituationen. Ein Jahr nach .. Start des Projekts „OneWeb Copernicus Data Hub“ zeigt .. GeoVille ..mit .. ESA u. Eutelsat .. Lösung."

    esa.int/Space_in_Member_States

    13.5.2026

    #Copernicus #EO #Erdbeobachtung #Eutelsat #GeoVille #OneWebCopernicusDataHub #Raumfahrt #Satelliten #SpaceFlight

  6. #ESA:
    "
    Von Daten zu Taten: Satellitendaten gezielt für Notfälle nutzen
    "
    "Erdbeobachtungssatelliten .. Daten in nützliche Informationen umzuwandeln, .. Herausforderung .., vor allem bei Naturkatastrophen oder in Notsituationen. Ein Jahr nach .. Start des Projekts „OneWeb Copernicus Data Hub“ zeigt .. GeoVille ..mit .. ESA u. Eutelsat .. Lösung."

    esa.int/Space_in_Member_States

    13.5.2026

    #Copernicus #EO #Erdbeobachtung #Eutelsat #GeoVille #OneWebCopernicusDataHub #Raumfahrt #Satelliten #SpaceFlight

  7. 🔴 ESA's Mars Express reveals the northern stretch of Shalbatana Vallis – a 1,300-km waterworn canyon on Mars, about the length of Italy. Water flowed here 3.5 billion years ago; catastrophic floods carved out chaos terrain and winding valleys. Image: HRSC, 22 Oct 2024.

    📅 May 13, 2026
    👉 esa.int/Science_Exploration/Sp

    #ESA #Space #Astronomy #Science

  8. TOPIC> THE Messier Catalog

    2026 May 14

    Messier Catalog at Uniform Scale
    * Image Credit: Sylvain Villet
    app.astrobin.com/u/SylvainV
    app.astrobin.com/forum/topic/1
    * Text: Cecilia Chirenti (NASA GSFC, UMCP, CRESST II)
    science.gsfc.nasa.gov/sci/bio/

    Explanation:
    What are some of the most interesting astronomical objects you can see in the night sky, armed with a good pair of binoculars or a small telescope? If you live in the Northern Hemisphere, you can look for the very popular objects in the Messier Catalog (most of them, but not all, are also visible from the Southern half of the Earth). The featured image shows all 110 objects in the catalog, shown at uniform scale. Charles Messier created the catalog in the 18th Century. He was interested in comets, and his catalog was a list of known comet-like "objects to avoid" in the sky when observing or hunting for comets. The deep sky objects in the catalog include a supernova remnant (the Crab Nebula, M1), other galaxies (such as Andromeda, M31), nebulae (e.g. the Orion Nebula, M42, a star forming region) and stellar clusters (such as the Pleiades, M45, a bright young open cluster).
    apod.nasa.gov/apod/ap000311.ht
    !!!explore> science.nasa.gov/specials/apps
    app.astrobin.com/u/SylvainV?i=
    science.nasa.gov/people/explor
    coolcosmos.ipac.caltech.edu/pa
    en.wikipedia.org/wiki/Messier_
    en.wikipedia.org/wiki/Deep-sky
    en.wikipedia.org/wiki/Supernov
    apod.nasa.gov/apod/ap250508.ht
    apod.nasa.gov/apod/ap251115.ht
    apod.nasa.gov/apod/ap250420.ht
    apod.nasa.gov/apod/ap260223.ht
    esahubble.org/wordbank/open-cl

    apod.nasa.gov/apod/ap260514.ht

    #space #messier #astrophotography #photography #science #nature #physics #NASA #ESA #apod