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  2. List of planetary nebulae - Wikipedia

    en.wikipedia.org/wiki/List_of_planetary_nebulae

    Read; Edit; View history; Tools. Tools. move to sidebar hide. Actions Read; Edit; ... Box Nebula NGC 6445: 1786 4.5 11.2 Sagittarius: Eye of Sauron Nebula M 1-42: 10 ...

  3. Planetary nebula - Wikipedia

    en.wikipedia.org/wiki/Planetary_nebula

    About 3000 planetary nebulae are now known to exist in our galaxy, [47] out of 200 billion stars. Their very short lifetime compared to total stellar lifetime accounts for their rarity. They are found mostly near the plane of the Milky Way, with the greatest concentration near the Galactic Center. [48]

  4. Nebula - Wikipedia

    en.wikipedia.org/wiki/Nebula

    A protoplanetary nebula or preplanetary nebula [27] (PPN, plural PPNe) is an astronomical object which is at the short-lived episode during a star's rapid evolution between the late asymptotic giant branch (LAGB) phase and the subsequent planetary nebula (PN) phase.

  5. Lists of nebulae - Wikipedia

    en.wikipedia.org/wiki/Lists_of_nebulae

    The following articles contain lists of nebulae: List of dark nebulae; List of diffuse nebulae; List of largest nebulae; List of planetary nebulae; List of protoplanetary nebulae; List of supernova remnants

  6. Wikipedia:WikiProject Spoken Wikipedia - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:WikiProject...

    Software that converts text to voice is readily available and can be easily used to read out Wikipedia pages on-the-fly. See screen reader . The web-based Pediaphon service uses speech synthesis to generate MP3 audio files and podcasts of Wikipedia articles in different languages.

  7. List of largest nebulae - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_nebulae

    The Ring Nebula is located in the lower right of the image Gum Nebula: 809–950 ly (248–291 pc) [32] [33] Emission nebula: Extends about 36° of the sky Bubble Nebula (NGC 6822) 758 ly (232 pc) [34] [35] [36] H II region: The Bubble Nebula is located in the upper left of the image NGC 6188: 600 ly (180 pc) [37] Emission nebula: NGC 592

  8. How Much Money Is in the World Right Now? - AOL

    www.aol.com/much-money-world-now-193712578.html

    Using the Federal Reserve’s $2.3 trillion M0 currency figure and a current world population of 8.17 billion, per Worldometer, there’s about $282 per person in the world, on average. Using the ...

  9. List of diffuse nebulae - Wikipedia

    en.wikipedia.org/wiki/List_of_diffuse_nebulae

    This is a list of diffuse nebulae. Most nebulae are diffuse , meaning that they do not have well-defined boundaries. Types of diffuse nebulae include emission nebulae and reflection nebulae .