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Q&A

Posts tagged stars

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Q&A Red giant Habitable zone

I was looking a bit at the evolution of Stars and one thing I sometimes see floated is this idea that in the far flung future, when the sun has ballooned into a red giant and the earth burned to a ...

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

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Q&A Is it possible for a nebula to hide a solar system(s) from scientists here on Earth?

I'm working on a graphic novel that deals with this particular topic but I'm unsure if something like this can happen. Some Nebulae have a luminosity 1000s of times brighter than our sun while dark...

4 answers  ·  posted 9y ago by Sekantsi Mokhohlane‭  ·  last activity 9y ago by Sekantsi Mokhohlane‭

Question space stars
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Q&A What would happen if Earth's oxygen reached the Sun?

The Scenario: The Sun is eternal. We are producing much more oxygen than we need. First off, would the atmosphere grow, or would it just become much more dense? Given the circumstances, if th...

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

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Q&A A discriminating lightsaber?

In a type III civilization probably even type II, would have developed solid energy construct resembles force shield which acts like a semi-permeable membrane to allow friend to pass but prohibit s...

4 answers  ·  posted 9y ago by user6760‭  ·  last activity 9y ago by user6760‭

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Q&A What would be the most likely colour of leaves on plants on a planet orbiting a red dwarf?

Imagine a red dwarf star orbited by a considerably Earth-sized planet in the star's habitable zone. Assuming the planet has a sufficiently powerful magnetic field to protect its surface from the st...

1 answer  ·  posted 9y ago by Hendrik Lie‭  ·  last activity 9y ago by Hendrik Lie‭

Question biology stars flora
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Q&A What is the best way to exploit the energy from a red dwarf and send it to other systems?

Scenario: Earth men colonized Alpha Centauri. Barnard's Star is at range. There is a huge fleet of fission bomb pulse propulsion cargo ships. Given Enough time and space they can reach 0.8C. Qu...

2 answers  ·  posted 9y ago by Jorge Aldo‭  ·  last activity 9y ago by Jorge Aldo‭

Question space stars energy
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Q&A Removing the metal from a star

What would happen if an extremely advanced race removed the metal (everything beyond H and He) from a star. Would the star still function? Would it change in appearance or properties at all?

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

Question stars physics metals
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Q&A Astronomical Phenomena that cause Tidal Waves

Suppose a world suddenly is being attacked by frequent tidal waves caused by some event in space. What type of event could have caused this? Any side effects caused by the event, such as the relea...

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

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Q&A Varying Gravity

Suppose a very large planet orbited a star or other spacial body in an oval shaped path, similar to Earth's but closer to induce a varying gravity during orbit. The planet has a large gravity wel...

2 answers  ·  posted 9y ago by The Glis Jackel‭  ·  last activity 9y ago by The Glis Jackel‭