The reason is because these beings live on a world which has two suns shining on it. The Zeta Reticuli star system is a binary system.
In actual fact, the greys do not have black eyes but rather normal eyes with dilated pupils. The black outer layer is actually a pair of lens used to protect the eyes of the greys from the large amount of UV rays radiated from the two suns.
myriads eyes are poo
its when you get something from your parents
You should protect your eyes as there are many ways that the machinery can throw items that could strike you. Another simpler reason is that some work shops have harsh chemicals. You don't notice it but people touch their eyes and face often without thinking. This can put chemicals in your eyes or on your sensitve skin and cause severe burning. The protective goggle makes you conscious of this and keeps your hands away from your eyes.
Genetics is a unique set of chemical blueprints affecting how our body looks and functions. The blueprints are in DNA. DNA is made of nucleotides. Each nucleotide contains a phophate molecule, a sugar, and one of four bases. The sequence of the four bases determines each genetic code. Some examples of genetics are freckles, dimples, and a cleft chin.
As far as your eyes can see...
The Greys are the most well known type of alien. They are Grey and they are around 3-4 feet tall with large black eyes. There is lots of info on greys here: http://en.wikipedia.org/wiki/Greys
As there is no absolute proof that aliens even exist nobody can be certain that they even have eyes, let alone the size or shape of their eyes. The idea of so-called 'greys' has become so popular that most alien descriptions are now based on the reported appearance of 'greys.'
"light" coloured eyes are those of the blue range. Blues, greys, greens and most light hazels.
it varies, but a lot of them are green with round, black eyes that look otherwise like small men. Reptoids are supposed to have green scales, but Greys are, obviously enough, grey.
A mix of browns, yellows and dark greys with orange or brown eyes.
My friend dose have black eyes. Some have green eyes,blue, brown, but he has black.
Joujouka Black Eyes was created in 1995.
Yes, ash got into their eyes and their eyes got completely black.
he has black eyes
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His eyes are black.
Black eyes aren't really black, they are actually a very dark brown, so technically, it is impossible to have black eyes. unless your talking about the the bruise yes people can have a black eye bruise