4 ms·
Above 13 Jupiter masses would it have to be a burned out star?
by Jeff_Brown 5y ago
Above 13 Jupiter masses would it have to be a burned out star?
- TheOtherHobbes 5y agoBrown dwarf? Some sputtering early attempts at fusion, but not enough to become self-sustaining. 13 Mj is on the low side of the definition. It's not a definitive number and goes as high as 80 Mj, depending who you ask.
- wumpus 5y ago13 Mj is the current mass at which people think deuterium fusion can start. Above 80 Mj, hydrogen fusion will start. These numbers depend on a lot of details of stellar atmospheres. I took a graduate-level Stellar Atmospheres class from S. Kumar, who first theorized about this class of not-quite-star.