All Questions
Tagged with stars internal-consistency
22 questions
19
votes
6
answers
776
views
Can my spaceship figure out its position using Cepheid Variables?
In my story, reasonably far in the future, an intrepid group of explorers are on the first manned mission to the Andromeda galaxy, travelling close to the speed of light. They slumbered in suspended ...
- 102k
7
votes
3
answers
448
views
Is it possible for coronal mass ejections or perhaps a gamma ray burst to cause firestorms on an earth-like planet?
Ideally this would be some sort of sun or star-related natural disaster that would affect the entire planet and make life outside of protected/shielded areas extremely dangerous. This is a human-...
- 71
33
votes
8
answers
7k
views
Do different star systems experience time differently?
Somewhat in relation to this question - What could restrain post-singularity societies from spreading across the Galaxy?
I'm assuming not all star systems move at the same velocity in relation to the ...
- 24.3k
6
votes
3
answers
733
views
What minimal magic is needed to maintain a huge torus planet?
I'm creating a fantasy world (dragons, giants, generally medieval, generally rare magic, potential inter planar travel), and I would like the world shaped like a donut. Obviously I could just say "...
- 421
5
votes
2
answers
727
views
Would this simplex ternary system be stable?
I'm trying to make a trinary star system but I'm not sure how it would work. The primary star is an M0Ve star (red dwarf flare star). The orbits of the other two stars are slightly more complicated. ...
- 644
4
votes
2
answers
548
views
Exoplanetary Review: Acid Rain
I've come up with a couple of exoplanets for a story, and have reached the limits of my knowledge. I've googled around, and I had a space enthusiast friend look at them, but he freely admits that he's ...
- 1,768
68
votes
14
answers
11k
views
How would people living in eternal day learn that stars exist?
In a world I am building, the day lasts longer than the year, 9 times longer in fact. The native people of this world have been forced to migrate around the world, both avoiding the scorching desert ...
- 56.3k
6
votes
2
answers
336
views
Do stars in a binary star system fall along the ecliptic?
I am wondering about Tatooine, and was reading about binary systems here, which provided a lot of good basic food for thought. My specific question is not addressed at that link, and so I pose it here....
- 3,833
4
votes
5
answers
526
views
Is a star orbiting around planets(not a single planet) possible?
I'm trying to construct a habitable world which has a sun orbiting around it. I know a star can't orbit around a planet, because a star is much more massive than a single planet, which has been known ...
- 2,227
4
votes
3
answers
899
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The view in a binary star system
I am writing a book where there is a binary system with a red and blue star. There is planet with the same properties as earth orbiting in a habitable zone around the 2 stars.
The question
How ...
- 2,056
17
votes
3
answers
1k
views
Could the Sun be born again?
About 5 billion years from now, the Sun will begin to swell into a red giant. This will cause some problems, because life on a planet orbiting a red giant is hard. Even if Earth isn't engulfed by the ...
- 102k
16
votes
3
answers
1k
views
Hiding a solar system in a nebula
I have a planetary system with a yellow dwarf similar to our own Sun and three habitable planets. I want to hide this system from sight and long range scans in a nebula, a giant cloud of dust and gas ...
- 2,910
16
votes
1
answer
899
views
Stabilizing the Temperature On a Planet With a (Very) Long Day
Let's say my terrestrial planet has a stable circumbinary orbit around two suns similar to the Kepler-47 system, in the habitable zone, with an orbit similar to Kepler-47c. The challenge here is that ...
- 2,568
13
votes
3
answers
2k
views
Can twin stars be born?
Stars are born through the fusion of light atoms and the star's nucleus. So let's say that as a star is being born, the nucleus split and creates two stars. Could this even happen? If so, would the ...
- 191
13
votes
3
answers
2k
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Can two stars orbit each other but each have their own planets in stable orbits?
I'm aware that 'tatooine' worlds don't make good habits for planets, normally. From what I've read, either a planet has to orbit one star really closely, or orbit both stars from a really long ...
user50663
11
votes
2
answers
840
views
The (Alternative) Reason for the Seasons, Part 2: Variable Star
Part 1
On Earth, we have seasons due to our planet's tilt. In my last question, I proposed an alternative world where the seasons were instead caused by an eccentric orbit. Now I'm going for something ...
- 4,797
8
votes
3
answers
1k
views
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 ...
- 766
6
votes
5
answers
636
views
What star can give an earth-like planet a 1-day year?
I did the orbital period for a planet orbiting a mass = 1 sol with a 24-hour year, it’s got a semi-major axis of 1.82 million miles - far and away beyond the Roche limit, still beyond the corona, but ...
- 8,209
5
votes
3
answers
293
views
Life in the water/snow line of a protoplanetary accretion disc?
So I was reading this article recently, titled Stellar Outburst Brings Water Snow Line into View: http://www.eso.org/public/news/eso1626. In short it's about a protoplanetary accretion disc around a ...
- 4,948
4
votes
2
answers
275
views
What parameters are necessary to generate a plausible star in line with a spectral classification?
I'm in the opening stages of writing (yet another) star system generator, using Python. My goal is to be able to generate a plausible star and, if appropriate, planetary system around it - allowing ...
- 49
1
vote
4
answers
424
views
Creating a stable split earth
So having read a couple of other questions on here, and postulating over this for a while, here's my question.
Is it possible to have two magnetars in a distant binary orbit, with an earthlike planet ...
- 71
0
votes
2
answers
528
views
What could be done to make a red dwarf become a blue dwarf, then a white dwarf and then finally a black dwarf in a short amount of time?
My civilization is highly advanced Type III and wants to conduct an experiment on a red dwarf. They want to artificially cause it to become a blue dwarf, then a white dwarf and then finally a black ...
- 935