A girl who attends every chorus event and concert even though she is not actually a member. She loves hooking up with chorus guys and her only friends are the girls in chorus. The Chorus whore can often be seen attending the high schools musical production every night it is performed.

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 girl who attends every chorus event and concert even though she is not actually a member. Loves hooking up with chorus guys and her only friends are the girls in chorus.