Skip to main content
Astronomy

Return to Question

Tweeted twitter.com/StackAstronomy/status/1349325326040653825
Minor changes in grammar
Source Link
edit approved Jan 13, 2021 at 10:02
lordparthurnaax
edit approved Jan 13, 2021 at 10:02
lordparthurnaax
  • 409
  • 2
  • 5
  • 21

Exactly how fastlong does it take for the exposed core of a star to cool from its starting temperature (several billion K) to ~50,000 K?

OK, I didn't know how I should word this question. But the basic point is, that most white dwarfs that we have classified fall in temperature ranges from ~50,000 K to 6000 K. However, at the end of a low-mass star's life, the core temperatures reach billions or maybe even trillions of degrees Kelvin. So when the star dies and sheds its outer layers, exposing the core, exactly how long does it take for the core to cool down to the "standard white dwarf temperature?"

Exactly how fast does it take for the exposed core of a star to cool from its starting temperature (several billion K) to ~50,000 K?

OK, I didn't know how I should word this question. But the basic point is, most white dwarfs that we have classified fall in temperature ranges from ~50,000 K to 6000 K. However, at the end of a low-mass star's life, the core temperatures reach billions or maybe even trillions of degrees Kelvin. So when the star dies and sheds its outer layers, exposing the core, exactly how long does it take for the core to cool down to the "standard white dwarf temperature?"

Exactly how long does it take for the exposed core of a star to cool from its starting temperature (several billion K) to ~50,000 K?

OK, I didn't know how I should word this question. But the basic point is that most white dwarfs that we have classified fall in temperature ranges from ~50,000 K to 6000 K. However, at the end of a low-mass star's life, the core temperatures reach billions or maybe even trillions of Kelvin. So when the star dies and sheds its outer layers, exposing the core, exactly how long does it take for the core to cool down to the "standard white dwarf temperature?"

Source Link
WarpPrime
WarpPrime
  • 6.7k
  • 1
  • 26
  • 62

Exactly how fast does it take for the exposed core of a star to cool from its starting temperature (several billion K) to ~50,000 K?

OK, I didn't know how I should word this question. But the basic point is, most white dwarfs that we have classified fall in temperature ranges from ~50,000 K to 6000 K. However, at the end of a low-mass star's life, the core temperatures reach billions or maybe even trillions of degrees Kelvin. So when the star dies and sheds its outer layers, exposing the core, exactly how long does it take for the core to cool down to the "standard white dwarf temperature?"