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Questions tagged [unusual-color]

This tag should be used for questions that are related to our real world, but where objects or creatures have unusual colors, such as planets of different colors.

5
votes
3answers
166 views

Plausibility of purple oceans

Alright, so I've been meaning to write out a planet with golden/yellow fields and a violet / purple ocean. What I was thinking about is having the water of this world is so clean and nourishing that ...
4
votes
3answers
131 views

Infrared reality

Is it possible for an earth-like planet to be perceived (by human eyes) in real-time as an infrared photograph? If so, in what conditions?
9
votes
1answer
185 views

To make a blue moon, what element does it need?

We know that Mars has a reddish color, because its ground consists of iron-based compounds. The moon is grey-whiteish because it consists mostly of silicon-based compounds. What element should the ...
6
votes
3answers
459 views

How can I get different colours of ocean? [closed]

We think of oceans and large lakes as being blue. How can I get other colours in a way that is reasonably compatible with what we know from terrestial bio-geo-chemistry?
2
votes
3answers
473 views

A Wider Range of Human Skin Color — But Would The Transition Between Shades Be Natural? [closed]

Long ago, it was thought that the peoples of Europe developed white skin as a means of adapting to the low-level lighting of ice age Europe (an assumption that disregarded why the people of Asia don't ...
6
votes
2answers
316 views

Why would a big cat have black fur around its face?

A few days ago, I saw this very nice reconstruction of a Machairodus giganteus by Peter Hutzler: More recently, I've been thinking about it, and I'm wondering A) if it would evolve without getting in ...
29
votes
13answers
4k views

Can a planet harbor plants of different colors without one pigment outcompeting the others?

On Earth, all plants are green because they contain the pigment chlorophyll, which photosynthesizes by absorbing all light except green light. However, it is quite possible - if not likely - that ...
-3
votes
1answer
108 views

Advanced Alien Coloring [closed]

The Mantis Shrimp is a crustacean known for two things: its punch its eyes For this question I will focus on the latter. A theory about the effects of their super vision is that it causes their ...
12
votes
7answers
1k views

Could an organism see in infrared light as well as normal light, using its brain to process what it sees into a single image?

Tl;dr: Humans create a composite image out out what each of their eyes see Humans process the two images into one using their visual cortex Humans can't see infrared because of a lack of ...
1
vote
5answers
304 views

Growing blue trees

What about the atmosphere of earth makes green the best color for plants, and what would have to change to make blue the best color? The fact that these changes could not happen on earth, an so would ...
23
votes
13answers
5k views

Purple soil - how would it be possible?

For one of my projects, I'm developing an inhabited Earth-like world, with the key visual difference being that much of the land is purple, instead of the brownish colour it is on Earth. My question ...
10
votes
4answers
465 views

Can a rocky planet or moon be stark white?

From pictures I've seen, all rocky planets in our solar system are some shade of grey, brown, and red. Ignoring stuff like atmosphere and oceans and plant life of course. I was thinking of a world ...
18
votes
7answers
5k views

Blue soil (aka dirt) in an earth-like planet?

How could blue soil exist, in a realistic earth-like world. The world may even be earth. First off is it even possible - could soil like this exist given the requirements below? (if not then why?) ...