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originally posted by: TerryDon79
a reply to: CircleofFloss
You might want to google the green ring nebula.
Or the lagoon nebula.
Green plants are green because they contain a pigment called chlorophyll. Chlorophyll absorbs certain wavelengths of light within the visible light spectrum. As shown in detail in the absorption spectra, chlorophyll absorbs light in the red (long wavelength) and the blue (short wavelength) regions of the visible light spectrum. Green light is not absorbed but reflected, making the plant appear green.
“The green color represents infrared light coming from tiny dust grains called polycyclic aromatic hydrocarbons,” NASA writes. “These small grains have been destroyed inside the bubble. The red color inside the ring shows slightly larger, hotter dust grains, heated by the massive stars.”
originally posted by: CircleofFloss
a reply to: TerryDon79
were they taken by the Hubble, perchance? you know, the same Hubble that only takes pictures in black and white?
originally posted by: CircleofFloss
a reply to: TerryDon79
same difference, then.