What visual effect would result if the dust grains in a reflection nebula were significantly larger?
Answer
The nebula would appear white or gray
If the dust grains become significantly larger, they scatter all colors of light more equally, causing the nebula to merely reflect the true color of the illuminating star rather than exhibiting a distinct blue tint.
#Videos
What Makes Reflection Nebulae Appear Blue? - Physics Frontier
Why Are Reflection Nebulae Blue? - Physics Frontier - YouTube
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