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Posts by Greenie E. - Reinstate Monica‭

29 posts
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Q&A Guns in space with bullets that return?

I was reading on another question (this one) and was thinking "What if those bullets could return?" What I am looking for is: Practicality Cost effective Combat effective Manufacturability

12 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A The possibility of a bulletproof hardwood?

In my conworld, the inhabitants have futuristic technology and use armour that is made of primarily wood but will absorb bullet impacts and even armour-piercing rounds. It is cited as being very fi...

5 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A Life develops on a moon left in darkness?

In the deep, outer reaches of our galaxy, there is a rogue gas giant which, due to an unfortunate event, was flung from its native orbit into interstellar space. It has a mass 12 times that of Jupi...

1 answer  ·  posted 4y ago by Greenie E. - Reinstate Monica‭  ·  last activity 4y ago by Greenie E. - Reinstate Monica‭

Question biology xenobiology
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Q&A Feasibility of a gas giant made of oxygen and water vapor?

In a distant galaxy, there is a young, yellow-white star. Orbiting this star is a gas giant comprised almost entirely of oxygen-nitrogen, and water. In its core, there is a relatively large nickel-...

1 answer  ·  posted 4y ago by Greenie E. - Reinstate Monica‭  ·  last activity 4y ago by Greenie E. - Reinstate Monica‭

Question reality-check
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Q&A Moving Enceladus to become Earth's Second Moon and its side-effects

If we moved Enceladus (not Europa) into Earth's orbit (ignoring the plausibility of it), and gave it a breathable atmosphere, what effects would it have on the Earth? How would it affect us?

2 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

Question moons tidal-forces
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Q&A A good reason for why aliens want to take over Mars?

In a future where Mars has been abandoned for several thousand years, and Earth has reverted to a somewhat-habitable state, why would aliens choose to live on Mars, rather than more habitable Earth...

6 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

Question
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Q&A Making an object to reach Jupiter's core and return information?

Would it be possible to create a probe which could survive the crushing pressures and temperatures to reach the solid core of Jupiter and return data to Earth? What would make this impossible? This...

2 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

Question reality-check
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Q&A How could a "Lonely Mountain" form?

I have seen some discussions about Middle Earth's Erebor, the "lonely mountain" and how it really isn't lonely. How could a true "Lonely Mountain" (a single peak in the middle of a vast plain) form...

6 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A How to get a green gas giant?

In Deep, deep space, there exists a star system with a single planet. This planet, named Dewel, is a large, green gas giant with a mass of about twice Jupiter's. What could this planet's atmosphere...

4 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

Question atmosphere
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Q&A Amount of force needed to nullify the moon's tidal lock?

What size and/or mass of impactor would need to impact the moon to destroy its tidal lock so that it's orbit is noticeable within its phases? What side effects would this impactor cause, and how wo...

2 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

Question tides
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Q&A Alcohol-based organisms?

Would it be possible to have an organism to be based on alcohol, rather than water? Complexity does not matter, but a complex organism would be favourable. their environment would be in oceans of i...

4 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A Synthesization of a star?

Would it be possible to put hydrogen into a vacuum chamber and use something to turn it into a smaller version of a star? I am making a scene with a simulated planet environment in space and wanted...

3 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A Effectiveness of orbital railguns on ground or air-based targets?

For space-based warfare, would an orbiting satellite which was equipped with a railgun cannon be effective against a ground-based fort, or even an aeroplane, or another type of air transport? This...

5 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

Question railguns re-entry
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Q&A Are elliptical rings feasible?

Around a rocky planet or small gas giant, could there be a system of rings that follow an elliptical orbit? I have used a gravity simulator (this one) to test it, but the way it handles its particl...

1 answer  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A Can my Alien species be possible with real science?

They are blue to gray skinned with four eyes, two of which can see in infrared, three fingers and toes on each appendage, and reptilian-like ears (eardrums are external), as well as a hair color ra...

3 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A Using Magnet Technology to Make a Rotating Space Station?

For an artificial gravity ring station, could you make a central hub, using similar magnet technology used to levitate magnet trains here on earth, to reduce the amount of mass rotating? My thought...

4 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A Would it be possible to survive on a world with only plants?

If you were air dropped onto another planet, where multi-cellular non-plant life did not evolve, could you survive on what was only around you? The planet in question is a clone of earth, in almost...

3 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

Question flora survival
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Q&A What is the size limit for a rocky planet in orbit of an O type star, within the habitable zone?

As asked in the title, what would be the upper limits to a rocky planet's size in orbit of an O type star, like 10 Lacerta's habitable zone? Density of the planet must be enough to stand on without...

2 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

Question planets
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Q&A How well would a planet in orbit of a star above the Galactic bulge see?

I am making a story of a species who lives on a planet several light-years above the Galactic Bulge. With advanced technology, how much could they see from their vantage point? Could they carry out...

2 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

Question astronomy light
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Q&A What Colour would a sulfuric acid lake be?

I was thinking of an interesting landmark to put on my conworld, and I went with the "large body of acid" trope. This lake would be about the size of Lake Superior, and near the equator. The atmosp...

3 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A A feasible and efficient method of fast global travel?

What would be an efficient method of global travel that can take you from, let's say, London to Hong Kong in about an hour? It would preferably be made quickly, but money is no object. I don't want...

10 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

Question travel physics
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Q&A Could you fly a Boeing 747 on Venus?

I have been making a future colonization scenario where people have vast colonies on Mars and cloud top bases on Venus. These things are unbelievably large. I've already thought of a way to travel ...

4 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A How can a salty ocean be turned purple?

On my Conworld, the oceans are purple. This is mostly for aesthetic purposes and my current explanation is an abundance of cyanobacteria. I'm not sure that this explains it correctly, so what could...

3 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

Question water ocean
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Q&A Complications of displaced core material?

If there were an absolutely terrible accident, and part of Earth's core was displaced toward the surface, making a bubble of liquid nickel and iron, what would be the major problems with this?

3 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A Feasibility of lava beings?

Could a creature be made entirely, or mostly of magma or lava? Could it sustainably live in or near a volcano for an extended period of time? Rocks around the outside are optional, and encouraged. ...

4 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭