|< Voice: We're heroes! Come to discuss the comics and other work by Randall with other ⦠It was written in 1942. This is roughly equal to the combined mass of every human on Earth. First of all, for the record, shooting asteroids with lasers is a great way to deflect them. No; the baseball thing is much harder. In Armageddon, a NASA guy comments that a plan to shoot a laser at the asteroid is like âshooting a b.b. 7, No. gun at a freight train.â What would it take to stop an out-of-control freight train using only b.b. Tidal forces would act on you in several ways. Both are wearing headsets with microphones.]] Don't get it? A man stands next to it. My Deep Impact/Little Prince crossover fanfic has been poorly received by the community. [[A woman is sitting at an interface. [2]Here's a picture of Phobos looking like the archetypical asteroid. This means you're free to copy and share these comics (but not to sell them). It's simple and sad and poignant and memorable. From the creator of the wildly popular webcomic xkcd, hilarious and informative answers to important questions you probably never thought to ask. Explain xkcd is a wiki dedicated to explaining the webcomic xkcd. [1]For another take on the Petit Prince, scroll down to the last section of this wonderful piece by Mallory Ortberg. [[The picture of the rocket fills the panel. The asteroid club, that is: The creator of the Web comic xkcd just got an asteroid named after him. â Charles James O'Keefe [4]Not always; plenty of people had a good idea of what they would look like. No, we're not doing another Describe Topic Here joke.. troper@tvtropes:/$ sudo describe xkcd here. Ultra Long Orbital Tethers Behave Highly Non-Keplerian and Unstable. This is roughly equal to the combined mass of every human on Earth. Are Phobos And Deimos The Result Of A Giant Impact? [1]For one, someone at NASA would probably yell at us. This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. This wouldn't happen to you. gun at a freight train.â What would it take to stop an out-of-control freight train using only b.b. The archived images from the mission are at the NASA Space Science Data Center, but strangely, the NSSDC refers readers to someone's personal Tripod page to browse the actual images. As for the residents of our superdense asteroid, they'd have to be careful; if they ran too fast, they'd be in serious danger of going into a tumble and losing their lunch. If you didn't go fast enough to escape the planet, you'd go into orbit around it. That's an interesting time to write about asteroids, because in 1942 we didn't actually know what asteroids looked like. In any case, it certainly has found an audience; it's among the best-selling books in history. [1]Launched by New York at LA, as I'm sure happens now and then. Any fan of Randall Munroeâs webcomic, xkcd Randall Munroe is a former NASA roboticist and the creator of the hugely popular xkcd webcomic. Warning: this comic occasionally contains strong language (which may be unsuitable for children), unusual humor (which may be unsuitable for adults), and advanced mathematics (which may be unsuitable for liberal-arts majors). If there really were a superdense asteroid with enough surface gravity to walk around on, it would have some pretty surprising properties. 87-94. And there were. We're saved! which is why it should really be called "escape speed"—the fact that it has no direction (which is the distinction between "speed" and "velocity") is actually very significant here. [[The panel appears like a news report.]] Man with headset: Hooray! Beside him is the rose, and a small volcano.]] More details. If you stood on the surface, you'd experience tidal forces. These moons, believed to be captured asteroids,[3]Ironically, while Phobos and Deimos look like asteroids, new research suggests they're not. The inherent instability of many tether orbits poses an interesting challenge for this kind of project. troper@tvtropes:/$ describe xkcd here What? Amazing xkcd readers Lewis Hulbert and Jordan Zhu noticed that the International Astronomical Unionâthe organization in charge of official astronomical namingâwas taking suggestions for what to name small Solar System objects. The parts of the surface of the Earth that a⦠Prev; Next; Diamond "If a meteor made out of diamond and 100 feet in diameter was traveling at the speed of light and hit the earth, what would happen to it?â xkcd is a Stick-Figure Comic by Randall Munroe.It is a gag-a-day comic and generally does not have a continuing plot line or continuity (though there are occasional short story ⦠Effectively, every part of your body would be trying to go in a different orbit. There have been various proposals over the years to use long, whirling tethers to move cargo in and out of gravity wells—a sort of free-floating space elevator. Your orbital speed would be roughly 3 meters per second, which is a typical jogging speed. Sincerely, xkcd_bot. This one seems particularly ⦠âCharles James O'Keefe. More details. This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. More details. Stopping ⦠What would a typical object do when crashing in to the sun? A large orbiting object under these kinds of tidal forces—say, a moon—will generally break apart into rings. 3, March 2008, pp. [6]Rugescu, Radu D., Mortari, Daniele, "Ultra Long Orbital Tethers Behave Highly Non-Keplerian and Unstable", WSEAS Transactions on Mathematics, Vol. In 1814, after being forced to abdicate as Emperor of the French, he was exiled to the island of Elba.However, in February 1815 Napoleon escaped back to France, quickly raised ⦠This means you're free to copy and share these comics (but not to sell them). ... which is why it should really be called "escape speed"—the fact that it has no direction (which is the distinction between "speed" and "velocity") is actually very significant here. In fact, that's where their name comes from—the word asteroid means "star-like.". Fist, it will be moving the sun long before it 'hits'. Creative Commons Attribution-NonCommercial 2.5 License. Whoa. [[There is a picture of a rocket, captioned 'Breaking news']] (This is something that Randall cares about as can be seen in 977: Map Projections). Two legs and the drill can be seen as well as part of the antenna and the part of the body with the text. If you stood on the surface, you'd experience tidal forces. This means you're free to copy and share these comics (but not to sell them). gun at a freight train.â What would it take to stop an out-of-control freight train using only b.b. If you look at the largest objects that we might consider an asteroid it would be Eris which is about 1/4 the ⦠Megan's list of objects with a similar shape ratio: The 1:4:9 monolith from the sci-fi movie 2001: A Space Odyssey; A Star Destroyer, a spaceship in the Star Wars universe. First, let's get a few things out of the way: In real life, we can't put a metal pole between the Earth and the Moon. This means you're free to copy and share these comics (but not to sell them). Asteroid 4942 Munroe (nee 1987 DU6) orbits the Sun on the inner edge of the main asteroid beltâ itâ s no threat to Earthâ about 330 million kilometers (200 million miles) out. Several of the ⦠Last week, we looked at at life on a giant world. See Craddock, Robert A.. "Are Phobos And Deimos The Result Of A Giant Impact?". r/xkcd: /r/xkcd is the subreddit for the popular webcomic xkcd by Randall Munroe. More details.. [The Little Prince is standing on his small asteroid next to his rose and a very small volcano. xkcd.com 627.png...my solution was: ask Paolo! If you go faster than the escape speed, as long as you don't actually go toward the planet, you'll escape. {{Title text: My Deep Impact explain xkcd. The escape velocity at the surface would be about 5 meters per second. guns? RANDALL MUNROE, a former NASA roboticist, is the creator of the webcomic xkcd and the author of xkcd: volume 0.The International Astronomical Union recently named an asteroid after him; asteroid 4942 Munroe is big enough to cause a mass extinction if it ever hits a planet like earth. Explanation []. Napoleon Bonaparte was one of the greatest military leaders in history, conquering most of Europe in the space of a decade. That's what size asteroid can move the sun, but, not in the way you expect. Woman with headset: The robot has landed successfully and planted the nukes! Direct image link: Interstellar Asteroid. Mobile Version! It's ostensibly a children's book, but it's hard to pin down who the intended audience is. This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. }}, xkcd.com is best viewed with Netscape Navigator 4.0 or below on a Pentium 3±1 emulated in Javascript on an Apple IIGS, Creative Commons Attribution-NonCommercial 2.5 License. 1822: Existential Bug Reports. Even in our best telescopes, the largest asteroids were only visible as points of light. This work is licensed under a Ê»Oumuamua is the first detection of an interstellar asteroid passing through the Solar System originating from another solar system. As a rule of thumb, if you can't dunk a basketball, you wouldn't be able to escape by jumping straight up. In Armageddon, a NASA guy comments that a plan to shoot a laser at the asteroid is like âshooting a b.b. Explain xkcd: It's 'cause you're dumb. Okay. But the asteroid would have to be huge in impact terms, at least 10 kilometers, if it is to break through 10 km of crust. The rover has drilled into the asteroid. That's slower than a sprint, but still pretty fast. His stick-figure drawings about science, technology, language, and love have an enormous, ⦠If the asteroid has a radius of 1.75 meters, then in order to have Earth-like gravity at the surface, it would need to have a mass of about 500 million tons. guns? [[The Little Prince is looking at the NASA rover, which has drilled into the asteroid. If the asteroid has a radius of 1.75 meters, then in order to have Earth-like gravity at the surface, it would need to have a mass of about 500 million tons. Little Prince crossover fanfic has been poorly received by the community. First though, an asteroid implies something that is currently traveling through space in a typical fashion. To throw something from New York to LA, you have to lob it out of the atmosphere like an ICBM. There's an asteroid named after me! Your feet would feel heavier than your head, which you'd feel as a gentle stretching sensation. guns? They submitted my name for asteroid (4942) 1987 DU6, and it was subsequently ⦠Don't like your current asteroid? For another take on the Petit Prince, scroll down to the last section of, Not always; plenty of people had a good idea of what they would look like. 0:04... This means you're free to copy and share these comics (but not to sell them). Such tethers could transport cargo to and from the surface of the Moon, or to pick up spacecraft from the edge of the Earth's atmosphere. Their simulations showed that large, elongated objects follow strange patterns around their central bodies. Go figure. <3 There is some ambiguity about what exactly constitutes an asteroid, some definitions include minor planets like Pluto and Eris. They submitted my name for asteroid ⦠An asteroid the size of Jupiter would no longer be considered an asteroid, it would be a planet. Fortunately, vertical jumps would be fine. This week, let's look at a small one. If you reach your arm down toward the planet, it would be pulled much harder than the rest of you. In Armageddon, a NASA guy comments that a plan to shoot a laser at the asteroid is like âshooting a b.b. Assuming a metal asteroid, let us say one that has twice the density of rock, then if could dip down under the surface. 0:03... Maybe next year. The Little Prince, by Antoine de Saint-Exupéry, is a story about a traveler from a distant asteroid. News-anchor: NASA has launched a heroic mission to land a rover on the asteroid, drill into it, and destroy it with nuclear bombs. More details. Randall Patrick Munroe (born October 17, 1984) is an American cartoonist, author, and engineer best known as the creator of the award-winning webcomic xkcd.With a background in physics and robotics, Munroe has worked full-time on the comic since late 2006, publishing three times a week to a very large audience. We got our first confirmation of what asteroids looked like in 1971, when Mariner 9 visited Mars and snapped pictures of Phobos and Deimos. And if you reach down with one arm, the rest of you gets pushed upward, which means other parts of your body feel even less gravity. There's no point in trying to critique the science here, because (1) it's not a story about asteroids, and (2) it opens with a parable about how foolish adults are for looking at everything too literally. These types of orbits were investigated in an interesting paper by Radu D. Rugescu and Daniele Mortari. Millions of people visit xkcd.com each week to read Randall Munroeâs iconic webcomic. 0:05... If an asteroid was very small but supermassive, could you really live on it like the Little Prince? The asteroid club, that is: The creator of the Web comic xkcd just got an asteroid named after him. More details.. An impactor of that size will make for one hell of a bang. The Little Prince took this a step further, imagining an asteroid as a tiny planet with gravity, air, and a rose. I almost beat the turing test! It would feel like you were stretched out on a curved rubber ball, or were lying on a merry-go-round with your head near the center. Before the 1970s, it was common for science fiction to assume small asteroids would be round, like planets. Unfortunately, baseballs are too small to punch through the atmosphere. The International Astronomical Union recently named an asteroid after him: asteroid 4942 Munroe is big enough to cause mass extinction if it ever hits a planet like Earth. This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. He is looking at the NASA rover which is partly outside the panel to the right and up. Industry Reviews XKCD is nerd royalty, the alpha dork, there's no geek more widely cited and loved - BEN GOLDACRE, author of BAD SCIENCE [[Digital countdown.]] News-anchor: Astronomers have confirmed that the asteroid is headed for Earth. Even their centers of mass don't move in the traditional ellipses; some adopt pentagonal orbits, while others spin chaotically and crash into the planet. If you stood on the surface, you'd experience tidal forces. Icarus (2010) solidified the modern image of asteroids as cratered potatoes. Amazing xkcd readers Lewis Hulbert and Jordan Zhu noticed that the International Astronomical Unionâthe organization in charge of official astronomical namingâwas taking suggestions for what to name small Solar System objects. This is roughly equal to the combined mass of every human on Earth. If the asteroid has a radius of 1.75 meters, then in order to have Earth-like gravity at the surface, it would need to have a mass of about 500 million tons. > >| Interstellar Asteroid (alt-text) Every time we detect an asteroid from outside the Solar System, we should immediately launch a mission to fling one of our asteroids back in the direction it came from. However, your orbit would become chaotic and unstable. In an inset picture is the rover.]] In 2013, at the request of a number of xkcd enthusiasts, the asteroid 4942 Munroe was named after him by the International Astronomical Union. Move your colony for pennies on the dollar to another ⦠So rather than trying to take things away from the story, let's see what strange new pieces science can add. This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. Title text: Every time we detect an asteroid from outside the Solar System, we should immediately launch a mission to fling one of our asteroids back in the direction it came from. That means you might be able to leave our asteroid by running horizontally and jumping off the end of a ramp. This means you're free to copy and share these comics (but not to sell them). On the area that signifies Earth the continents are drawn using a map projection that keeps the scale of the continents correct. This type of analysis could actually have practical applications. Constant free solar energy is a big advantage, as is the lack of fixed geography.
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