Guy that wears girl jeans, small band tee's, white leather belt, uses checker vans or chucks, and some of them wear make up. They have hair that covers one eye and has a lip ring. Scene boys do NOT cut their wrists. They normally listen to metal or hardcore music.

The safeguarding of Earth and other worlds from biological cross-contamination (i.e. billionaires with too much time on their hands).

Also known as “planetary protection.” Planetary protection / quarantine “reflects both the unknown nature of the space environment and the desire of the scientific community to preserve the pristine nature of celestial bodies until they can be studied in detail.”

There are two types of interplanetary contamination. Forward contamination is the transfer of viable organisms from Earth to another celestial body. Back contamination is the transfer of extraterrestrial organisms, if such exist, back to the Earth's biosphere.

A Boy with black hair that covers half his face, that wears tight girl jeans, wears black eyeliner, wears small tight band tee's or pokemon shirts,lip ring, like's boys and girls, wears checker shoes, likes stars, likes the movie garden state and the nightmare before christmas.
takes pictures of himself with a higher angle.

any boy who wears girl pants/tight pants, has his hair over one eye,wears tight and/or button down shirts, is trendy in an "i got this at goodwill" sort of way. Could be gay, could just seem like it. Piercings, while optional,are mainly in the lip if there. listens to music of the "emo", "screamo", random, persuasion.

Scene boy simply refers to a boy who is hardcore emo and wears eyeliner and tight pants and has a lipring and has jet black hair that is unkempt looking, and is considerdered "hawt".

a Scene Boy is one who listens to whatever he wants to listen to and doesn't give a shit about what others think of him. He wears what he wants and usually has his hair long and obnoxious.

A boy who has his hair cut in a particular way(scene hair) so he can part it to the left side of his face and colors his hair once a week.He wears girls jeans that can barely fit him and hangs a neon colored bandana out his right back pocket.Wears eyeliner.Wears dinosaur and band tees that are entirely too small.He has either a lip or septum piercing and is usually bisexual.