Questions tagged [reality-check]

Asks if a given concept is realistic in a given context. Answers should say yes or no, with supporting info. Compare this with the science-based and hard-science tags. This tag should never be the only tag on a question, because this tag frames how a question should be answered, not the topic.

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Organic tech tree using mycelium as its base?

Considering the impressive complexity of the vast mycelium networks that permeate the world, I was wondering if it would be possible for a civilization to use mycelium as a "coding" ...
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4 votes
1 answer
55 views

Day/night cycle and tracking celestial positions in S-type binary star system

I know this has been asked before but I'm going to pose the question again under slightly different circumstances and with a more specific goal. I'm trying to work out the details of how the day/night ...
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3 votes
2 answers
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Anatomical Review #2: Follow up questions on my semi-arboreal imp (with drawing)

strong text (Post #1) Anatomical Review: Would the way I designed this semi arboreal Imp be biologically feasible? Hello, this is sort of a part 2 of my first post with a new account, lost the log in ...
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2 votes
1 answer
186 views

Creating stable gravitationally bound alternatives to a single ultra massive galaxy?

Before the accelerating universe makes it impossible without FTL to reach other galaxies the advanced civilization in my story aims to create their own super system, which will remain gravitationally ...
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2 votes
1 answer
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Maintaining an ice-free Northwest Passage with statites

Due to various territorial rearrangements, in 2060, the largest seaport in the United States is Churchill, Manitoba. A much reduced but still significant volume of shipping needs to reach the country ...
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1 vote
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A genetic disease that makes humans have much more brown fat than the average human being

I wonder if the disease I invented is realistic or a total fiction. In my story The Transcendence of Adolescence, there is a 17 years old homosexual (or lesbian if you want) transgender woman named ...
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1 vote
1 answer
196 views

Is This Desert Planet Realistic?

Okay, I have a desert planet that orbits an M0 star and an G0 star at an circumbinary orbital radius of .9 AU from the shared center of gravity of its twin suns. It’s tilted on its axis by 23.5 ...
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1 vote
1 answer
102 views

Life in the Temperate Zone of an Alternate Earth with an Axial Tilt of 42 Degrees--What Would the Seasons Be?

Suppose that in an alternate universe, Earth has an axial tilt not of 23.5 degrees, but 42. This means that from the equator, tropical climates with binary seasons (wet and dry) would persist from as ...
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Would larger oceans stabilize temperature on a smaller planet with a thinner atmosphere?

I'm working on a planet with 75% of Earth's gravity, and I'm wondering how to get a stable climate despite the thinner atmosphere. I know a thinner atmosphere doesn't trap heat well, so the ...
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