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Posts tagged alternate-earth

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90 posts
Tag Only Tag + Children
55%
+3 −2
How to Terraform a Dead Earth

1 answer  ·  last activity 8 days ago by Olin Lathrop

science-based terraforming science-fiction alternate-earth
71%
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Would a 200-Pound Dwarf Still Need to Wear Clothing?

1 answer  ·  last activity 27 days ago by pnuts

biology science-based adaptability humanoid alternate-earth
50%
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If the Earth would break apart, how likely would the large debris stay in orbit?

2 answers  ·  last activity 3 months ago by SKKennell

reality-check gravity apocalypse post-apocalypse earth science-fiction alternate-earth
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Megamangrove Roots--Which Kind of Aerial Roots Would Best Support Their Large Size?

1 answer  ·  last activity 3 months ago by JohnWDailey

science-based adaptability earth alternate-earth plant-design
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Could Sharks Survive a Longer PETM?

1 answer  ·  last activity 3 months ago by JohnWDailey

science-based adaptability time earth alternate-history history prehistoric-times alternate-earth
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Exploring a world with chiral biochemistry: chirality detection

2 answers  ·  last activity 3 months ago by L.Dutch - Reinstate Monica

earth exploration chemistry biochemistry alternate-earth
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Would a Longer PETM Save the Creodonts and the Mesonychians?

3 answers  ·  last activity 3 months ago by JohnWDailey

evolution adaptability earth alternate-history history mammals alternate-earth
50%
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Would the Oceans in This Map Be Freshwater?

2 answers  ·  last activity 4 months ago by JohnWDailey

geography science-based earth ocean alternate-earth
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Could an Ice Age Extinction Wipe Out All Marsupials?

2 answers  ·  last activity 4 months ago by JohnWDailey

science-based earth mammals extinction alternate-earth
50%
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If Earth had a smaller second moon, what would the sky look like?

1 answer  ·  last activity 4 months ago by RobotPQ30

earth-like science-based moons earth science-fiction alternate-earth
50%
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Could Long, Dense Walls of "Megamangroves" Deflect The Deadliest of Storms?

1 answer  ·  last activity 5 months ago by JohnWDailey

weather science-based flora earth alternate-earth
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In an Ice Age Extinction, Which Latitude Would Be Hit Harder--Tropical or Temperate?

3 answers  ·  last activity 5 months ago by JohnWDailey

environment science-based adaptability earth extinction alternate-earth
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Would human civilization develop at a slower pace if Earth was 5.8x larger?

11 answers  ·  last activity 5 months ago by JordanTheCynic

earth alternate-history history alternate-reality alternate-earth
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Can You Evolve a Second Pair of Pectoral Muscles Without The Need for Flight?

2 answers  ·  last activity 5 months ago by JohnWDailey

evolution science-based humans earth anatomy alternate-earth
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How CAN You Justify Melalo's Dorsal Casque?

1 answer  ·  last activity 5 months ago by JohnWDailey

science-based earth avian behaviour alternate-earth
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How Would a Continental Landmass Sink?

1 answer  ·  last activity 5 months ago by JohnWDailey

geology time earth prehistoric-times alternate-earth
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How Would the Multituberculates Survive Longer Than in Our Timeline?

0 answers  ·  last activity 6 months ago by JohnWDailey

evolution science-based adaptability earth mammals alternate-earth
50%
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Would the Muroid Niche Be Occupied by Just One Clade?

2 answers  ·  last activity 6 months ago by JohnWDailey

evolution science-based earth mammals alternate-earth
50%
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How to Make This Alternate Earth as Black as The Dark Knight

2 answers  ·  last activity 6 months ago by JohnWDailey

planets science-based earth alternate-earth
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The Great Oxidation Event...Artificially Imposed on a Tharn-Like Alternate Earth

1 answer  ·  last activity 6 months ago by JohnWDailey

environment science-based terraforming colonization earth alternate-earth
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What Else Could Reduce Global Sea Levels?

6 answers  ·  last activity 6 months ago by JohnWDailey

geography science-based geology earth alternate-earth
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How Would These Planets Affect Earth's Eccentricity?

1 answer  ·  last activity 6 months ago by JohnWDailey

planets science-based orbital-mechanics solar-system earth alternate-earth
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Utility of a domesticated dwarf elephant

4 answers  ·  last activity 6 months ago by McTroopers

biology domestication earth alternate-earth
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What Kind of Bolide Would Chicxulub Be to Create the Bigger Airburst--Asteroid or Comet?

1 answer  ·  last activity 6 months ago by JohnWDailey

science-based natural-disasters earth explosions alternate-earth
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How to have hollows with complex plant and animal life on a planet

1 answer  ·  last activity 6 months ago by anthony gutierrez

earth-like climate reality-check flora earth alternate-earth
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Assuming a flat world and no obstacles, how far could you see?

4 answers  ·  last activity 7 months ago by Cygnus X-1

atmosphere alternate-earth
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Moved into further orbits to protect them, how much damage do Earth and Moon take when the Sun expands?

1 answer  ·  last activity 7 months ago by Astrid_Redfern

planets moons solar-system earth far-future alternate-earth future
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How to Renew Old Mountain Ranges

2 answers  ·  last activity 7 months ago by JohnWDailey

mountains science-based geology earth alternate-earth
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Is there dense, non flammable gas that I can cover the Earth in?

5 answers  ·  last activity 7 months ago by walrus

science-based earth chemistry gas alternate-earth
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Perissodactylian Cetaceans

2 answers  ·  last activity 8 months ago by JohnWDailey

science-based creature-design earth mammals anatomy alternate-earth
50%
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Planetizing the World of Jack and the Beanstalk: How Small is Too Small?

3 answers  ·  last activity 8 months ago by JohnWDailey

earth-like planets science-based earth alternate-earth
50%
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Could Bear-Dogs Look and Act Like Actual Bears?

1 answer  ·  last activity 8 months ago by JohnWDailey

science-based adaptability earth mammals alternate-earth
50%
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Are two Pangeas possible?

4 answers  ·  last activity 8 months ago by Sach

earth-like geology earth alternate-earth
50%
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Bryophitic Plants in an Underwater Forest

2 answers  ·  last activity 9 months ago by JohnWDailey

evolution science-based adaptability flora earth alternate-earth
50%
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Can Mollusks Develop Bone Independently?

2 answers  ·  last activity 9 months ago by JohnWDailey

biology reality-check evolution science-based earth alternate-earth
50%
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How To Make Earth's Oceans as Brackish as Lyr's

5 answers  ·  last activity 9 months ago by JohnWDailey

science-based geology earth ocean alternate-earth
50%
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Wolves and Hyenas--Allies For Life

3 answers  ·  last activity 9 months ago by JohnWDailey

science-based earth mammals interspecies-relations species alternate-earth
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How large can differences in gravity be without being overly dangerous to humans?

1 answer  ·  last activity 9 months ago by overlord - Reinstate Monica

science-based gravity earth health alternate-earth
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Pinniped Creodonts

3 answers  ·  last activity 9 months ago by JohnWDailey

science-based adaptability time earth mammals prehistoric-times alternate-earth
50%
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Can Owl Ears Instead of Echolocation Guarantee Life in Cave Colonies?

2 answers  ·  last activity 9 months ago by JohnWDailey

biology science-based creature-design earth mammals alternate-earth
50%
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How to have habitable hollows on a planet

1 answer  ·  last activity 9 months ago by anthony gutierrez

earth-like climate reality-check earth alternate-earth
50%
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The Itsy-Bitsy Insect Has Made a Web. How Differently Would it Look From Spider Web?

5 answers  ·  last activity 9 months ago by JohnWDailey

biology science-based earth chemistry alternate-earth
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Could a Greater Number and Diversity of Marine Plant Species be Possible?

1 answer  ·  last activity 10 months ago by JohnWDailey

science-based adaptability flora earth ecology alternate-earth
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Will the Dinosaur Empire Still Stand Strong If Chicxulub Hit Earth at the End of the Jurassic?

2 answers  ·  last activity 10 months ago by JohnWDailey

science-based adaptability earth alternate-history history dinosaurs alternate-earth
50%
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How can I alter the human reproductive cycle in order to compete on a hostile planet?

3 answers  ·  last activity 11 months ago by Incognito

evolution humans earth alternate-earth
50%
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Earth Has Four Seasons Lasting Years. Is This Too Much?

5 answers  ·  last activity 12 months ago by JohnWDailey

science-based seasons earth habitability sea alternate-earth
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Nocturnal Photosynthesis

2 answers  ·  last activity 12 months ago by JohnWDailey

science-based day-night earth photosynthesis alternate-earth
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Is this state of Earth possible, after humans left for a million years?

13 answers  ·  last activity about 1 year ago by Gistiv

climate reality-check earth climate-change extinction alternate-earth
50%
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Humanity with the Ears of a Fox--What Differs as a Result?

2 answers  ·  last activity about 1 year ago by JohnWDailey

biology science-based humans earth anatomy alternate-earth
50%
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If Earth Were a Gas Giant's Moon

2 answers  ·  last activity about 1 year ago by JohnWDailey

science-based moons orbital-mechanics earth alternate-earth
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