Man, I see a bunch of things I recognize in this pic:

A Menthos and Cola bottle rocket
A model of Sputnik
A diagram of the International Space Station
Hir t-shirt has Space Invaders on it
There's two posters of constellations on hir wall
A space shuttle toy under the stairs
And I think that's a diagram of The Hubble Space Telescope on hir computer, but I'm not sure.

Did I get any right? xD

You gain five point from your seven gueses. I let others play. :3

Alright, thanks! That's good enough for me! It's nice to see that my space science skills haven't gotten too rusty over the years. XD

The two space stations are Mir and sky lab.
Jebediah Kerman, kerbal space program.
Marvin the robot, Hitchhikers guide to the galaxy.
Sputnik
space invaders shirt
mentors and coke rocket pack
The constellations Leo and Lynxs
one of the US space shuttles.

I can't tell who the cartoon guy is in the rocket ship.

Congratulation! Maximum points from your guesses. :3
The "guy" is an Eastern Europian cartoon character.

ez aztán el lett találva :D

Köszönöm szépen! ^^"
Te legalább azt is tudod, hogy ki az ismeretlen karakter a rakétában. :3

aranyos egy taur

Köszöni szépen. :3