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  2. The brightest reflection nebulae are illuminated by B-type stars that are very luminous but have temperatures lower than about 25,000 K, cooler than the O-type stars that would ionize the hydrogen in the gas and produce an H II region.
    www.britannica.com/science/reflection-nebula
    The nebula is illuminated by a bright, recently formed star, visible just to the left of center. This star is cataloged as V380 Orionis, and its white color is due to its high surface temperature of about 10,000 degrees Celsius, nearly twice that of our own sun.
    science.nasa.gov/missions/hubble/reflection-nebula/
     
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    Reflection nebula - Wikipedia

    In astronomy, reflection nebulae are clouds of interstellar dust which might reflect the light of a nearby star or stars. The energy from the nearby stars is insufficient to ionize the gas of the nebula to create an emission nebula, but is enough to give sufficient scattering to make the dust visible. Thus, the frequency spectrum … See more

    Analyzing the spectrum of the nebula associated with the star Merope in the Pleiades, Vesto Slipher concluded in 1912 that the source of its … See more

    In 1922, Edwin Hubble published the result of his investigations on bright nebulae. One part of this work is the Hubble luminosity law for reflection nebulae, which makes a relationship between the angular size (R) of the nebula and the See more

    Overview image
    Luminosity law image

    • James B. Kaler (1997). Cosmic Clouds -- Birth, Death, and Recycling in the Galaxy, Scientific American Library, Freeman, New York, 1998. See more

     
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  4. Reflection nebula | Interstellar dust, Interstellar clouds, …

    reflection nebula, interstellar cloud that would normally be a dark nebula (or molecular cloud) but whose dust reflects the light from a nearby bright star that is not hot enough to ionize the cloud’s hydrogen.

  5. Reflection Nebula: Definition, Comparison, Examples

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  7. M78 Reflection Nebula in Orion | Pictures, Location, & Information

  8. Reflection Nebula - Science@NASA

    Mar 23, 2008 · This star is cataloged as V380 Orionis, and its white color is due to its high surface temperature of about 10,000 degrees Celsius, nearly twice that of our own sun. Its mass is estimated to be 3.5 times that of the sun.

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  10. Reflection nebula - Simple English Wikipedia, the free encyclopedia

  11. What is a Reflection Nebula - Universe Guide

    If the star illuminating the nebula is hot enough and close enough, it can ionize the cloud, creating the light on its own rather than just reflecting it. These would be referred to as emission nebulae instead. Reflection Nebulae were first …

  12. Nebula: Definition, Facts, Examples, Types, Difference

    Sep 9, 2024 · Reflection nebulae do not produce their own light but reflect light from nearby bright stars. Dust particles in reflection nebulae scatter starlight, causing them to appear blue due to light scattering. Temperatures in reflection …

  13. Reflection Nebulae - (Intro to Astronomy) - Fiveable

  14. Reflection Nebula – Definition & Detailed Explanation - Sentinel …

  15. What is A Reflection Nebula – Dustclouds Reflecting Light of Stars

  16. This is a Classic Example of a Reflection Nebula, Where the …

  17. Reflection Nebula | COSMOS - Swinburne

  18. Reflection nebula - Sun.org

  19. What is Reflection Nebula? - Odyssey Magazine

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  21. Beautiful Reflection Nebula of M78 - BrownSpaceman

  22. Types of Nebulae | Emission, Reflection & Dark - Study.com

  23. Reflected Starlight Bathes Forming Star in New Hubble Image

  24. NASA’s Hubble Finds Surprises Around a Star That Erupted 40 …