A substitute or alternative expression for the abreviation 'F' from the word 'Fuck', as in "What the F?"

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.

of the color intermediate between green and orange in the color spectrum

A skater who typically lives outside of Philadelphia and is usually sponsored by Around Skate and Method Skate. Efrons don't like to wear shirts.