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Q&A

Posts tagged gas

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Q&A What is required to make watery, blue-white colored jovian planet at habitable zone of a star

Background In my story, HD 28185 star system harbors life. One of them is a jovian HD 28185 d (Subralis), located around 1AU of this sun-like star. In-universe, Subralis is approximately 132,000 k...

3 answers  ·  posted 9y ago by Hendrik Lie‭  ·  last activity 8y ago by Hendrik Lie‭

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Q&A Could an Alderson Disk be habitable?

Is living on an Alderson Disk possible? An Alderson Disk is a large CD-like megastructure, with a star in the center. If the disk is thick enough, it could have its own gravity. Also, the star in t...

4 answers  ·  posted 9y ago by Berziky‭  ·  last activity 9y ago by Berziky‭

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Q&A Lighter-Than-Air-Bridge II: Tethered Gondolas

Would something like this be feasible? Span of bridge is approximately 5km. Height above canyon floor is approximately 800 meters (1/2 mile). Bridge structurally close to neutral. Tethered dirigi...

1 answer  ·  posted 9y ago by clarkland‭  ·  last activity 9y ago by clarkland‭

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Q&A Uproot, Lift Up and Replant a City

It finally happened. The inhabitants of Metropolis, the capital of Our Nation, have finally had enough of the swampy lands, suffocating summers, freezing winters, spring floods, risk of surprise in...

5 answers  ·  posted 9y ago by Serban Tanasa‭  ·  last activity 9y ago by Serban Tanasa‭

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Q&A What would happen to the moon if the Earth was captured by Jupiter?

See this question for further details I also know how unlikely this situation is, so please refrain. From telling me "it won't happen." Jupiter is sent on a spiral into the inner Solar System. Bo...

2 answers  ·  posted 9y ago by JDSweetBeat‭  ·  last activity 9y ago by JDSweetBeat‭

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Q&A How long to freeze a planet?

If some advanced race were to make a solid opaque shell around our Sun, say around Mercury's orbit, something like a Dyson Sphere, how long would it take for Earth to freeze over and end most life?

2 answers  ·  posted 9y ago by Sam Washburn‭  ·  last activity 9y ago by Sam Washburn‭

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Q&A Dyson Laser feasibility

A Dyson Laser would be a spherical swarm megastructure arrangement of robots focusing mirrors directing sunlight towards a particular planet in a system heating it with enough energy to melt it. T...

1 answer  ·  posted 9y ago by Sam Washburn‭  ·  last activity 9y ago by Sam Washburn‭

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Q&A Where to place industry in a megastructure?

I am currently designing a megastructure which is supposed to provide living- and workplaces for about 100.000 people. It is supposed to be designed in a way that it provides everything the inhabit...

3 answers  ·  posted 9y ago by Philipp‭  ·  last activity 9y ago by Philipp‭