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Star Lighting

Discussion in 'Starbound Discussion' started by joshmusic95, Jul 17, 2013.

  1. Cristoph888

    Cristoph888 Star Wrangler

    I said prodominitly white light as a ambience of sorts, essentially what i`m saying is (example) a yellow star like our own (white star technically but yellow in appearence which is what i`m talking about) would not make the planets orbiting it recieve primarly yellow light and yet would still appear yellow. The closer you are the more light you would get that matches that of the star. And yes i know white light is a mixture of wavelengths, it is still refered to as white light. Everything you say is true (unless i`m miss reading) but so is what I said, i`m just bad at wording things (especially scientific concepts) in a way others understand. Quite sorry about that.
     
  2. futrtrubl

    futrtrubl Cosmic Narwhal

    We still receive light that's the same colour as the sun, which is white not yellow. The sun only appears yellow to us here, on Earth, because shorter wavelengths are scattered by our atmosphere. This is why the sky looks blue, that's all the blue light that got scattered from the sun. Some backup from an external site "In popular culture, the Sun is yellow. But did you know that the color of the Sun is actually white? It’s only when light from the Sun passes through the Earth’s atmosphere that in changes in color, from white, to the yellow we see here on Earth." That's also why the sun gets more red at dusk and dawn when its light passes through more atmosphere. This blue light isn't perfectly scattered though, it doesn't get bounced back to space, and this is why a daylit object, one illuminated by both the sun and the sky, still appears lit by white light and why shadows tend to appear blue.
    Next is you talk of ambient light, and how when we get closer to the star we get more light of it's colour. There is no ambient light other than that coming from our star except from other stars, which is insignificant. So insignificant in fact that you can't see these other light sources during the day in comparison to a little bit of scattered light from the sun. So the distance from us to the star of a solar system doesn't matter colour-wise unless you are incredibly far from that star.
     
    DaviDeil likes this.
  3. DaviDeil

    DaviDeil Ketchup Robot


    Neil deGrasse Tyson said how if we were getting yellow light then snow would be yellow and not white. Just an additional to your comment.
     
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  4. Cristoph888

    Cristoph888 Star Wrangler

    Well some of this is what i`m trying to say but some of it is somewhat new to me. Thanks for teaching me something. Anyhow i`m pretty much done here. :D
     
  5. BastianHawk

    BastianHawk Aquatic Astronaut


    That is to say, if a star is close enough to a planet that it is the reason the atmospheric coloring is changed then yes, it is probably going to be inhospitable. Because stars do not typically color the light seen inside an atmosphere.
     
  6. DaviDeil

    DaviDeil Ketchup Robot


    I'm trying to research this topic out of curiosity and I can't find much. Have any sources for your information?

    However, I can confidently say that not every atmosphere will be composed of the same gases that ours consist of, so shouldn't that mean even if the star were white like our Sun then it shouldn't look the same color as it does to us?

    Also, our atmosphere looks blue because of the Sun's light scattering, so shouldn't the color of other atmosphere's and their compositions scatter into different colors?

    Edit: Mar's sunsets are blue.
     
  7. futrtrubl

    futrtrubl Cosmic Narwhal

    I'm not understanding what you are saying. Are you saying close enough that the star changes the actual composition of the planet... or what? Because our planet is close enough to our star that the colour of the star affects the colour of the light on our planet, white and white.
    You would have to go out really really far from the sun before the colour of all the other stars affects the overall colour of light on the planet more than the home star. Even the full moon is much more than bright enough to do that, and you would have to get about 900AU away from the sun before it's that dim.
     
  8. Phyrex

    Phyrex Parsec Taste Tester


    i think he means that if we reached the point where the star (and not the atmosphere itself) is the actual reason lighting on a planet looks a certain way, then the planet is most likely inhospitable due to too thin of an atmosphere which in turn means excessive radiations from the star itself and also all the unpleasant effect insufficient atmosphere can have on life form.

    i personally dont adhere to that. i just believe something should be (or shouldnt be) done solely on the following worry : does it look good/cool ?
    planet's lighting changing color based on the nearby star : thats cool. therefore i say yes to it. just manage the saturation and color palette carefully
     
  9. futrtrubl

    futrtrubl Cosmic Narwhal

    Then is just the presence/quality of the atmosphere then and not the distance. An airless planet close to the star is the same as an airless planet far from the star, just the further one is dimmer.
    But the colour of the star still matters no matter the atmosphere. In Uranus' atmosphere the light from our sun would appear cyan since the methane acts as a blue-green filter and our suns light is white. Around an orange dwarf star the light would appear green as there would be no blue light, the red light is filtered out but the green left.
     
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  10. Deadlyapples

    Deadlyapples Zero Gravity Genie

    I think the image looks fine so long as all the elements of the planet (Background, foreground, character) are all affected by the light the sun is giving off. That is all that is wrong with that picture on page 1. There is no consistency between the background and the foreground.
     
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  11. DaviDeil

    DaviDeil Ketchup Robot


    Okay so that's how it would affect the Sun's color, but what about the color of the atmosphere? That would look different too, right?
     
  12. BastianHawk

    BastianHawk Aquatic Astronaut


    No, all I am saying is that if a planet is close enough to a star to be the reason why the atmosphere is a different color then you'd probably have some issues living on the surface. Because from my understanding the lighting of your surroundings on a planet from a star has little to do with the star itself and more to do with the composition of the atmosphere. Light colors when it bends and bends when it hits a refractive surface, that is the atmosphere and the particles in it, not the gas being burned in the star.
     
  13. futrtrubl

    futrtrubl Cosmic Narwhal

    But the light is produced by the gases of the star, which are not burning btw. That light's colour is defined by the temperature and composition of the star. It may then be modified by an atmosphere.
     
  14. BastianHawk

    BastianHawk Aquatic Astronaut


    So educate me, because I honestly do not know. The light of a star can be as different in color or shade when cast on an object as colored x-mas or party lights? One being very blue, one very orange, another very red, et cetra. It was my understanding that the light from a star is in fact different in color but not to the degree that it is so easily noticeable by our eyes. Is this incorrect and if so could you provide a reference if it isn't too much trouble? (I enjoy learning.)
     
  15. Danfus

    Danfus Phantasmal Quasar

    Green and purple stars can be a reality on the Starbound's universe.

    Also lets have a pink star to make my wife happy.
     
    nababoo likes this.
  16. Lugubrious

    Lugubrious Scruffy Nerf-Herder

    the general color or "tint" depends on both the sun brightness/size and the atmospheric composition. that sounded really cool.
     
  17. futrtrubl

    futrtrubl Cosmic Narwhal

    The picture Zomgmeister posted looks pretty accurate.
    [​IMG]
    Not quite as colourful as party lights and with some colours missing, notably green and purple. There are some not shown here such as hypergiants, which might be more red, Wolf-Rayet stars which might be more blue. While the colours are not very saturated they would definitely be noticeable, especially the red end.
    For reference: http://en.wikipedia.org/wiki/Spectral_classification
     
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  18. Danfus

    Danfus Phantasmal Quasar

    My point is, if you have different elements you could have different colors for stars. There is no reason to stick to our reality on this.
     
  19. fallingorbit

    fallingorbit Hard-To-Destroy Reptile

    Having the sun/star effect the color of the atmosphere and world in general is a great idea.

    Although that looks more red than the surface of Mars, so I can see making it less saturated.
     

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