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 …

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’.

Mar 15, 2024 · If there are red, yellow, and blue stars, then there must be green stars somewhere in space, right? But it’s not that simple. In honour of the upcoming St Patrick’s Day, we’re …

Oct 20, 2022 · Crucial to the answer is that stars don’t emit light only at their peak like a plucked string producing a single wavelength of sound. The peak is just the peak, stars...

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. …

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 …

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...

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 …

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 …

It means that visually, a star will only be green when it's burning at ONLY a green frequency (pretty slim range), or a suitable mix only in the visible spectrum (you can't have say, a mix of …

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 …

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.

6 days 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 …