The Sun is dying, getting hotter as it goes. Eventually it will shrink into a black dwarf, but life will have vanished long before.
- The Sun is 5 billion years old and will begin to die in 5 billion years.
- The Sun becomes hotter every 1 billion years as it burns more of its fuel.
- Like other stars, the Sun will eventually expand, becoming a red giant.
- When the Sun finally runs out of fuel and energy it will become a white dwarf - plunging the earth into constant night.
Every star is born in a blinding flash of light and has a finite supply of fuel to last till old age.
Our Sun is no different.
The Sun is 5 billion years old
It will start to die in 5 billion years
"Stars are like people, they're born, they live and they die. ...
Please log in to view and download the complete transcript.