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.
Billionaires are having a dick swinging space race while the earth experiences record breaking heatwaves that cause sea creatures to literally cook inside their shells. We need planetary quarantine
by ♥🗺☠ July 20, 2021
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Planetary Annihilation is a RTS game developed by Uber Entertainment. The game was crowd funded through kickstarter and received 2.3 million in funding. The game is macro based around having a efficiency percentage rather than resources to make something. It relies on economy primarily and having lots, and lots, and lots of factories. You can win in various ways from doing a smashing planet smash with halleys or blowing planets up with a Death Star like planet made of metal when powered with catalysts. Or you could just kill a commander normally.
Gamer 1: Aye lad look at this game on kickstarter, its called Planetary Annihilation.

Gamer 2: That looks pretty cool, you want to help fund it? Looks interesting for a RTS.

Gamer 1: Aye lets do that.
by Rhythmic Tune January 19, 2015
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Managing of planetary bodies (i.e. Earth, Mars, etc.) environments to sustain healthy levels for life to flourish
Person A: This Climate Change really has me worried.

Person B: Me too, I hope someone figures out planetary management to prevent it from worsening.
by Hyphae May 22, 2019
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A syndrome of constant planet-shaking as demonstrated by Earth in early 2010.
Poor Haiti was th first major victim of Earth's sudden development of Planetary Parkinson's.
by benzyIU March 4, 2010
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Planetary Quarantine is a term in the modern-day that is used by people who want to make the colonization of other celestial bodies as slow and excruciating as possible.

It can be used in the future however as a way of stopping diseases or other such things from exiting the planet and spreading to other ones.

It is also used by some people on Earth as something we should do to Earth and Humanity in general, saying things like "We should fix our own planet first" and another such nativity. These people typically don't realize that Earth is doomed and that humanity, in the long run, can only survive in the Stars.
"Bro fuck Billionaires!! There should be a Planetary Quarantine on Earth, man! Humans suck!"
by Arroco July 15, 2021
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Planetary pescetarians are fish-eating pescatarians who are laser-focused on sustainability when choosing what to eat. You will not find a planetary pescatarian diving into a dish that includes foods such as Pacific bluefin tuna or skate as they are on the Marine Stewardship Council (MSC) list of fish to avoid due to depleted stocks and overfishing.
A planetary pescaterian might confidently site the MSC’s Good Fish Guide which suggests sustainable alternatives to fish which are in low supply.
by Word Picture Artist January 24, 2022
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dumping memories ( photos, clips etc ) in planetary ways, as in celestial, aesthetically-pleasing and worth to anticipate and see, in your social accounts of course.
I'm doing a planetary dumping in private Instagram account, you guys should follow my private!
by nimsspaceship December 10, 2022
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