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Posts by Sava‭

5 posts
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Q&A Why would people living inside a nebula go into space?

Assuming a sci-fi style nebula, like the thick clouds seen in Star Trek, extending several light years and hosting star systems inside, one of which gave rise to intelligent life up to current huma...

5 answers  ·  posted 5y ago by Sava‭  ·  last activity 5y ago by Sava‭

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Q&A How to transmit energy through rock and store it in crystals?

I have created a species that is basically a sort of land coral covered in a thick carapace made of rock. They live on an Earth-like planet (Class M as they say in Star Trek) and behave like cora...

3 answers  ·  posted 5y ago by Sava‭  ·  last activity 5y ago by Sava‭

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Q&A Vampires in space

The setting is our Earth of today (2018) with one difference: some Space Agency decided to go back the Moon and built a ship that is ready to depart, using today's technology. For reasons, the cre...

2 answers  ·  posted 5y ago by Sava‭  ·  last activity 5y ago by Sava‭

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Q&A How much mass does an object in low earth orbit need to create visible gravitational effects on the surface?

The question stems from watching a scene from ID2 and seeing the massive alien mothership landing/crashing on the North Atlantic. What mass would a starship, or any other artificial object constru...

2 answers  ·  posted 5y ago by Sava‭  ·  last activity 5y ago by Sava‭

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Rigorous Science How close can a ship get to Sagittarius A?

Assuming that the only fancy available technology is FTL drives (to get there) plus anything needed to protect and sustain a crew during the journey from Earth to Sagittarius A (whether it takes a ...

1 answer  ·  posted 5y ago by Sava‭  ·  last activity 5y ago by Sava‭

Question space black-holes