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/sci/ - Science & Math

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1823035 No.1823035 [Reply] [Original]

Dumb /b/tard here:

So...seeing as most exoplanets we've found so far are orbiting red dwarfs, would these worlds look like you're living in a red photo negative type world, like seeing everything through a red lens? Or does light not work that way?

>> No.1823045

yea... red light, and then wed have blueish plants

>> No.1823053

Yes and no. Depending on how thick the atmosphere is and what materials are present on the planet, it would have a reddish hued atmosphere. Plants also wouldn't be green. But it wouldn't be like viewing errything through a red lense.

good question for a /b/tard

>> No.1823080

No, it really wouldn't work that way from a humans eye.

It's really a matter of perspective; think about our home star. It goes from white, to yellow, to pink, orange, even blood red. Obviously the light being emitted from the star hasn't dramatically changed, so only your perception of it has. (Bluntly put, it depends on what the atmosphere is like from the planet-side.)

>> No.1823086

>>1823080
wat...

>> No.1823093

>>1823045
>>1823053

Thanks guys. :3

>> No.1823098

Actually, the majority of light given off by a Red Dwarf is not visible light but infrared. It would be very dark on any planet orbiting a red dwarf, a low twilight at best.

>> No.1823100

>>1823080
Of course, you could always look at it slightly differently and have a tidally locked planet with moon, resulting in perpetual moonlight on one side of the planet. (shrugs)

>> No.1823112

>>1823086

Planetside, when you look at the star at different points of the day. It appears to change colors. What I was getting at, was that the star itself isn't changing colors, only your perception of the stars visible light has changed.

>> No.1823131

>>1823112
ok that makes more sense... i thought you were saying that the sun changes colors like a rainbow and we just dont notice it and it always looks yellow

>> No.1823139

>>1823131
Lol ^_^

Children that's where rainbows come from! The holes in the ozone layer allow the natural rainbow light to not reform into bland colors due to the prism effect of the atmosphere!

>> No.1823148

>>1823131
Well a rainbow is only sunlight refracted in our atmosphere, so that is technically what he was saying...

But yeah, atmospheric effects are going to have a lot to do with what you perceive.