Mars' Skull 3D

[colbour]

i see a mound probably 100's if not 1000 of mies in diameter and what maybe be one side that is relatively striaght.. YOU devloped the other 5 sides

[slimtns]

Wat if this life moved to earth?

[Rolfruhig2]

Theories abound. Some think that life on Earth began after receiving some kind of spores... Some think already developed intelligent lives made the jump, therefore men are Martians... Like the legend of superman, with a few survivors. Let the imagination run wild.

[SilverStateMan]

Check it out, scro. Life originated from what would be considered "dead" or inorganic compounds initially present on the Earth. Fatty acids in aquatic claybeds formed "proto-cells", primitive membranes in which chemical molecules similar to RNA were allowed to meld into strands by molecular adhesion. Temperature shifts in a, say, pond -- which presumably also freed these cells from the clay beneath -- caused them to circulate between the hot and cold sides of the respective pond.

[SilverStateMan]

On the cold side, single RNA strands acted as templates on which new nucleotides formed base pairs (with A's pairing with U's, G's with C's), resulting in double strands. On the hot side, heat would break the double strands. Membranes would also aggregate to higher mass, which potentially caused "daughter" protocells to form, starting the cycle again -- primal reproduction, of elements that cannot be considered "alive", at least in the traditional sense.

[SilverStateMan]

Ribozymes -- folded RNA molecules analogous to protein-based enzymes -- would arise and take on such jobs as strengthening fatty acid membranes (additional fatty acid accretion) or reproduction. Life (and a crude form of evolution) was born. Considering some primitive "life"-forms are immortal (because they're nothing but chemical, protein-based machines), it's not difficult to see how life sprung up. Simply, and surprisingly un-romantically. At least, that's what the latest data is.

[SilverStateMan]

Oh -- also, the Mars "fossil" is presumably just a rock with a deceiving lighting cast across. But in Invader Zim, it was really a control module for Mars itself, which turned out to be one big planetary spaceship! D:

[emdreamer57]

i hope life still lives on mars

[Rolfruhig2]

I do not think life still thrives on Mars, but I am dead sure it did once long, long time ago.