How the surface of a comet looks like

How the surface of a comet looks like
    How the surface of a comet looks like
    Rosetta is a robotic space probe built and launched by the European Space Agency to perform a detailed study of comet 67P/Churyumov–Gerasimenko – and here is how the surface of the comet actually looks like. The camera the shuttle used is greyscale, and researchers then used color filters to capture different spectrums of the light.

    In all the comet-or-asteroid-crashes-into-Earth movies, and all the documentary shows about how an asteroid killed the dinosaurs and so on, they always want things to look as cool as possible -- and that means making the comet or asteroid look really scary or dangerous. They try, anyway. 

    The problem is that when they try to be halfway realiistic, mostly what they come up looks like blobs of cookie dough sailing through space. Lots of times they don't try being realistic, and they just go for way cool. And they end up with asteroids that are big spiky jagged things with razor-sharp edges, and comets with skies full of clouand and thunder and lightning as jets of steam blasting up. And, almost always, the space rock has a conveniently strong gravity field that lets Our Heroes walk around on it without being forced to blow too much of the special-effects budget on zero-gee stuff. (And, of course, every movie space rock comes complete with its very own soundtrack -- usually scary music that appears whenever it is on-screen.)

    Wael Elyamani
    @Posted by
    writer and blogger, founder of CTV Egypt News .

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