Science Fiction
Dictionary
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
 |
Moving Whole Planets, Revisited
In 2001, a trio of scientists (D. G. Korycansky, Gregory Laughlin and Fred C. Adams) were thinking ahead about the real global warming threat - the brightening of the sun over the next billion years or so. They proposed moving the Earth.
(Via Astronomical engineering: a strategy for modifying planetary orbits .)
Just recently, Tor put up an interesting article by James Davis Nicholl referencing this idea, with a smattering of science fiction references:
Of course, this raises the question of how to do this without destroying the world. You could just slap rockets on one end of the planet (and at least one author did) but the side effects of that method could well be…undesirable. Authors have wrestled with the problem and come up with answers ranging from the utterly implausible to the somewhat less plausible.
(Via Tor.)
I'd argue that it was really golden age great Edmond Hamilton who had the idea, since he wrote about steering a star in his 1928 classic Crashing Suns.
You could also argue that Jack Williamson gets a piece of this, since he told us how to use an asteroid rocket to move an asteroid in his 1933 story Salvage in Space.
Hamilton also wrote about moving planets in his 1934 story Thundering Worlds, describing planetary propulsion-blasts. His story was just a couple of months behind E.E. 'Doc' Smith, who wrote about moving a planet in his renowned classic Triplanetary.
Robert Heinlein got some good mileage from this idea in one of his earliest short stories; see how to move an asteroid from his 1939 story Misfit.
And while you're thinking about it, don't forget the barytrine field from George O. Smith's 1952 story Troubled Star, as well as the Puppeteer's Kemplerer (Klemperer) Rosette in Larry Niven's 1970 classic Ringworld.
Thanks to @nyrath for tweeting about this article.
The Sun's gradual brightening will seriously compromise the Earth's biosphere within ~ 1E9 years. If Earth's orbit migrates outward, however, the biosphere could remain intact over the entire main-sequence lifetime of the Sun. In this paper, we explore the feasibility of engineering such a migration over a long time period. The basic mechanism uses gravitational assists to (in effect) transfer orbital energy from Jupiter to the Earth, and thereby enlarges the orbital radius of Earth. This transfer is accomplished by a suitable intermediate body, either a Kuiper Belt object or a main belt asteroid. The object first encounters Earth during an inward pass on its initial highly elliptical orbit of large (~ 300 AU) semimajor axis. The encounter transfers energy from the object to the Earth in standard gravity-assist fashion by passing close to the leading limb of the planet. The resulting outbound trajectory of the object must cross the orbit of Jupiter; with proper timing, the outbound object encounters Jupiter and picks up the energy it lost to Earth. With small corrections to the trajectory, or additional planetary encounters (e.g., with Saturn), the object can repeat this process over many encounters. To maintain its present flux of solar energy, the Earth must experience roughly one encounter every 6000 years (for an object mass of 1E22 g). We develop the details of this scheme and discuss its ramifications.
Has this ever happened to you? You’re living on a perfectly good planet in orbit around a perfectly acceptable star—and then suddenly, the neighbourhood goes to crap and you have to move...
Scroll down for more stories in the same category. (Story submitted 10/18/2018)
Follow this kind of news @Technovelgy.| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |
Would
you like to contribute a story tip?
It's easy:
Get the URL of the story, and the related sf author, and add
it here.
Comment/Join discussion ( 0 )
Related News Stories - (" Space Tech ")
SpaceX Wants A Moonbase Alpha
'And he had been sent with troops, supplies and bombs to command Russia's most trusted post, the Moonbase.' - L. Ron Hubbard, 1948.
NASA Wants Self-Driving Or Remote-Controlled Vehicles For Lunar Astronauts
'THE autobus turned silently down the wide street of Hydropole. Robot-guided, insulated from noise and cold...'
Orbital Mechanics, The Liftoff, The Turnover, The Retrograde Burn
'...the huge vessel had spun, with a sickening lurch, through a complete half-circle, the instant the power was reversed.' - EE 'Doc' Smith, 1928.
Can A Human Land A SpaceX Rocket On Its Tail?
'If she starts to roll sideways — blooey! The underjets only hold you up when they’re pointing down, you know.' - Stanley G. Weinbaum, 1936.
Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.
Science Fiction
Timeline
1600-1899
1900-1939
1940's 1950's
1960's 1970's
1980's 1990's
2000's 2010's
Current News
SpaceX Wants A Moonbase Alpha
'And he had been sent with troops, supplies and bombs to command Russia's most trusted post, the Moonbase.'
Vast Apartment Living Will Get Even More Vast
'What is your population', I asked. 'About eighty millions.'
NASA Wants Self-Driving Or Remote-Controlled Vehicles For Lunar Astronauts
'THE autobus turned silently down the wide street of Hydropole. Robot-guided, insulated from noise and cold...'
Elon Musk Says Robotaxis Will Be Ready This August, 2024
'The car had no steering wheel, and no one drove!'
Moonwalkers AI-Controlled Electric Shoes
Now that's power walking that Hugo Gernsback would have approved.
Steve Jobs: 'Capture The Next Aristotle - With AI'
'It was disturbing to think of the Flatline as a construct...'
No Tips! Robotic Food Delivery In Phoenix
'...he rewired the delivery robot so that it would serve him midnight snacks.'
Electric Catamaran 'Explorer Eco 40m' Has 'Solar Skin'
'On went the electric-yacht faster and still faster.'
Orbital Mechanics, The Liftoff, The Turnover, The Retrograde Burn
'...the huge vessel had spun, with a sickening lurch, through a complete half-circle, the instant the power was reversed.'
Harvest Power From Tears And Blinking With Smart Contact Lens
'...he realized that it was not quite a clear lens. Speckles of colored brightness swirled and gathered in it.'
Europa Clipper Plate Carries A Special Message
'...a universal cryptogram — yet it is one which can be interpreted by any intelligent creature on any planet in the Solar System!'
Micro-Robots Are Smallest, Fully Functional
'With a whir, the Scarab shot from the concealing shadows of the corner where it had hidden itself.'
AI Enhances Images Your Brain Sees
'I could have sworn the psychomat showed pictures almost as sharp and detailed as reality itself'
Illustrating Classic Heinlein With AI
'Stasis, cold sleep, hibernation, hypothermia, reduced metabolism, call it what you will - the logistics-medicine research teams had found a way to stack people like cordwood and use them when needed.'
Deflector Plasma Screen For Drones ala Star Wars
'If the enemy persists in attacking or even intensifies their power, the density of the plasma in space will suddenly increase, causing it to reflect most of the incoming energy like a mirror.'
DIY Robotic Hand Made After Loss Of Fingers
'I made them... with the fine work of the watchmaker...'
