Questions tagged [hypothetical]
Questions about hypothetical objects or concepts in astronomy (including wormholes, white holes and quasi-stars). This tag is not for counterfactuals or "what-if" questions.
2
votes
1answer
68 views
What will be the temperature on Earth when Sun finishes its main sequence?
We know that presently Sun is 4.5 billion years into its main sequence. It has another 5 billion years before it enters the Red Giant phase. We also know that Sun's luminosity increases by 10% every ...
-1
votes
1answer
45 views
Could two planetesimals orbit a dense object and share an atmosphere?
Could two objects be caught into an orbit around some kind of dense object, perhaps a rogue planet. Could they share an atmosphere.
7
votes
4answers
4k views
Hypothetically, would we be able to see the moon from Saturn's North Pole?
Hypothetically speaking, if Saturn had a solid surface that we could stand on, would we be able to see our Moon from the North Pole of Saturn? Would the rings of Saturn obstruct the view?
2
votes
1answer
50 views
Interstellar bodies
Could a sun emit a large piece of matter that escapes it's gravity, and might eventually reach another solar system? And what would be the effect if a planet sized object reached our solar system and ...
1
vote
1answer
169 views
How could lithium burning take place in a quasi-star?
According to Begelman et al. (2008), one of the most distinguishing features of the hypothetical quasi-star is that it's supported by radiation pressure from the accretion disk of the black hole in ...
