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Space: Astronomy and Astrophysics

Exploring the wonders of the universe.

7,541 topics in this forum

  1. April’s Night Sky Notes: Participate in Eclipse Science [updated]

    The Next Full Moon is the Crow, Crust, Sap, Sugar, or Worm Moon
    By Waspie_Dwarf,   
    • 4 replies
    • 232 views

  2. In Memoriam 1 2 3 4 11

    Remembering those that have recently passed on in the space community.
    By Waspie_Dwarf,
    • 274 replies
    • 80.6k views

  3. How to Observe the Sun Safely

    How to look at the Sun and not go blind
    By Waspie_Dwarf,   
    • 0 replies
    • 18.7k views

  4. NASA’s Fermi Mission Sees No Gamma Rays from Nearby Supernova

    Supernova SN 2023ixf
    By Waspie_Dwarf,   
    • 0 replies
    • 32 views

  5. A Solar Neighborhood Census, Thanks to NASA Citizen Science

    Backyard Worlds: Planet 9 citizen science project
    By Waspie_Dwarf,   
    • 0 replies
    • 26 views

  6. Hubble Spots a Galaxy Hidden in a Dark Cloud

    Hubble Image
    By Waspie_Dwarf,   
    • 0 replies
    • 41 views

  7. Total Solar Eclipse: 24th April 2024 - Live Streams & Photos 1 2 3

    By Waspie_Dwarf,   
    • 56 replies
    • 732 views

  8. Sleeping giant surprises Gaia scientists

    Ffirst time a black hole of stellar origin this big has been spotted within the Milky Way
    By Waspie_Dwarf,   
    • 0 replies
    • 43 views

  9. Astrophysicists solve mystery of heart-shaped feature on the surface of Pluto

    By Still Waters,   
    • 1 reply
    • 72 views

  10. Brightest gamma-ray burst of all time came from the collapse of a massive star

    By Grim Reaper 6,
    • 0 replies
    • 57 views

  11. Exoplanets true to size

    From the brightness variations of its host star, an exoplanet’s size and other properties can be determined. In order to avoid mistakes, the star’s magnetic field is decisive.
    By Waspie_Dwarf,   
    • 0 replies
    • 51 views

  12. Physicists solve puzzle about ancient galaxy found by Webb telescope

    Study offers an explanation for dark matter distribution in a massive quiescent galaxy
    By Waspie_Dwarf,   
    • 0 replies
    • 51 views

  13. Unraveling Dark Energy and Cosmic Expansion With an 11-Ton Time Machine

    By Grim Reaper 6,
    • 1 reply
    • 72 views

  14. Signs of life detectable in single ice grain emitted from extraterrestrial moons [updated]

    By Waspie_Dwarf,   
    • 9 replies
    • 387 views

  15. Beautiful nebula, violent history: clash of stars solves stellar mystery

    By Waspie_Dwarf,   
    • 0 replies
    • 57 views

  16. Here are the best photos of the April 8 total solar eclipse over North America

    Topic was merged with Total Solar Eclipse: 24th April 2024 - Live Streams & Photos

  17. Researchers enable detection of remarkable gravitational-wave signal

    The discovery could hold the key to solving a cosmic mystery.
    By Waspie_Dwarf,   
    • 0 replies
    • 112 views

  18. How do brown dwarfs form?

    New observations provide insights into whether the birth of the giant planets takes a similar course to that of stars
    By Waspie_Dwarf,   
    • 0 replies
    • 64 views

  19. Precise measurements of our universe’s rate of expansion

    Shedding light on the nature of dark energy
    By Waspie_Dwarf,   
    • 0 replies
    • 90 views

  20. U.S. Total Solar Eclipse - 8th April 2024 [merged and updated] 1 2

    By Waspie_Dwarf,   
    • 29 replies
    • 796 views

  21. 10 weird things that happen during a solar eclipse

    By Grim Reaper 6,
    • 3 replies
    • 200 views

  22. Why there may be oceans inside dwarf planets beyond Pluto

    And what this means for the likely abundance of life
    By Waspie_Dwarf,   
    • 0 replies
    • 56 views

  23. Hubble Peers at Pair of Closely Interacting Galaxies

    Hubble Image
    By Waspie_Dwarf,   
    • 0 replies
    • 74 views

  24. NASA’s NEOWISE Extends Legacy With Decade of Near-Earth Object Data

    By Waspie_Dwarf,   
    • 0 replies
    • 54 views

  25. First ‘glory’ on hellish distant world?

    ESA’s Characterising ExOplanet Satellite, Cheops
    By Waspie_Dwarf,   
    • 0 replies
    • 71 views

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