Explain xkcd: It's 'cause you're dumb.
Geology is the study of the physical and chemical makeup of the Earth and geologists are called rock hunters, sometimes derisively.
Hunters, after killing an especially difficult or rare beast, sometimes remove its head and hang it up on a wall as a trophy. Cueball, as a geologist, "kills the Earth" by shooting at it. He removes its "head" (actually just a chunk of rock) and hangs it up on his office wall.
The title text is probably a reference to a chicken running around with its head cut off. A few billion years (7,600,000,000 years) is also about how much longer the Earth is expected to last, assuming it gets swallowed up by the expanding Sun at the end of the Sun's life.
- [Cueball is wearing earmuffs and goggles, armed with a gun and a rock hammer. There are rocks nearby. There is a van in the background labeled "Dept. of Geology".]
- [Cueball shoots three holes in the ground.]
- BLAM BLAM BLAM
- [Cueball hacks away at the top of a nearby rock.]
- Clink Clink
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- [Cueball in his office. Behind him on a wall is a rock, labeled "Earth" and "4,500,000,000 BCE - April 12, 2013".]
The title text sounds a bit like a movie reference. Did anyone catch it? --Koveras (talk) 07:53, 12 April 2013 (UTC)
I was thinking a zombie reference? Kaa-ching (talk) 08:14, 12 April 2013 (UTC)
The bad guy in "Final Fantasy: The Spirits Within" jokes about firing his handgun at the Earth, thereby killing "Gaia". --188.8.131.52 09:35, 12 April 2013 (UTC)
The first thing I thought of was the Gaia Hypothesis. Its advocates claim that Earth is a living thing. As far as we all know, living things can be killed. By killing Earth, Cueball puts an end to the controversy, for Earth is not alive anymore. Dellarappia (talk) 12:11, 12 April 2013 (UTC)
- And geologists, specifically those employed by oil companies, are sometimes accused by environmental groups of "killing the earth" when they make holes in the ground and then take away something that's there. Of course they use a drill instead of a gun, and take oil instead of a random rock. 184.108.40.206 13:01, 12 April 2013 (UTC)
Could the title text be about cockroaches, a species which has been around for millions of years, and who also can survive for some time after their head is removed? 220.127.116.11 13:01, 12 April 2013 (UTC)
Many geologists that work in sub surface mapping use guns (mostly heavy gauge shotgun or explosives) to cause vibrations that bounce off dense rocks or liquid (oil) so that they can map what the sub surface looks like. 18.104.22.168 14:59, 12 April 2013 (UTC) TMC
I don't get it. The "killing" and trophy collection is somewhat analogous to poking a whale with a pin then taking a scraping of its skin cells.
192.168.1.1 05:04, 13 April 2013 (UTC)
- That kinda is the point: the utter ridiculousness of taking a trophy of the Earth this way. --Aaron of Mpls (talk) 08:30, 14 April 2013 (UTC)
Trivia fact: New Mexico Institute of Mining and Technology Geology department featured this comic the day of it's release. 22.214.171.124 (talk) (please sign your comments with ~~~~)