There are no green stars because the ‘black-body spectrum’ of stars, which describes the amount of light at each wavelength and depends on temperature, doesn’t produce the same spectrum …

Nov 21, 2018 · There are no purple or green stars. "Color" does not mean "At which wavelength does the spectrum peak". Color is given by the ratio of fluxes in different wavelength bands, …

Dec 3, 2024 · So, there are no genuinely green stars because stars with the expected temperature emit their light in a way that our eye combines into the perception of ‘whiteness’.

Jan 11, 2025 · To my eye it seems like the answer is "purple requires blue and red but not green. Since stars emit broadband blackbody radiation this would require an astronomical bandpass …

Oct 17, 2011 · There are indeed no green stars, though there are other green objects we can see in space. What makes stars special is that they glow by incandescence . The graph shows …

May 18, 2014 · Why no green or violet stars? Marilyn responds: Green and purple stars do exist. The color of stars depends on their temperatures, and they emit radiation throughout the …

Mar 4, 2024 · The answer is a result of the way our eyes see combinations of frequencies: Our eyes add up all the colors that come in, and the color we see is the result of this addition. …

Feb 15, 2020 · There are red, orange, yellow, blue, and even white stars, but no green or purple stars. The reason comes down to chromaticity and the optics of black body s...

Aug 31, 2020 · There are red stars, and orange stars, and yellow stars, and blue stars, and they are all understandable save the fact that there is a 'gap': There are no green stars. Is this …

Jul 21, 2006 · The stars with the palest colors are those that, like our Sun, peak in the green. That's because these "green" stars also emit lots of red and blue light. The light combines so it …

Sep 22, 2021 · Why are there no violet stars? The colours of stars roughly match the colours of the rainbow (Red, Orange, Yellow, White, Blue). Whilst the rainbow has green, there are no …

Mar 12, 2016 · Because green is close to the center of the visible range, even if a star is producing a lot of green light, it’s also producing a lot of yellow and blue light, and the mixture appears …

23 hours ago · Five planets are visible without optical aid: Mercury, Venus, Mars, Jupiter, and Saturn. Ancient civilizations recognized these worlds as bright lights that wandered across the …

Jan 19, 2025 · Earth's year, of course, is 365 days, while at the upper end, Neptune takes a whopping 60,190 days, or about 165 Earth years, to complete a single revolution of our star.