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Questions related to the physical processes involved in or to the observations of the process of forming a star.

4 votes
2 answers
267 views

If two binary brown dwarfs began to exchange gas with each other, would they both ignite int...

If two brown dwarfs got close enough to exchange gas with each other, could it trigger nuclear fusion within their cores? Is it possible for two brown dwarfs to orbit so closely and become a rocheworl …
Gliese's user avatar
  • 849
2 votes
2 answers
232 views

Will all of the gas in the universe be converted into red dwarf stars?

Red dwarfs have lifespans of trillions of years and are also the most abundant stars, making up 70% of the stars in the Milky Way. No red dwarf star has ever died and none will die for a very, very lo …
Gliese's user avatar
  • 849
32 votes
1 answer
6k views

If two white dwarfs collided, would they become a star?

Would the temperatures during such a collision be able to ignite nuclear fusion, bringing the dead star back to life? If so, would it only be able to fuse for a short time before running out of fuel, …
Gliese's user avatar
  • 849