English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

Every thing in the Universe is going to finish one day. Even the Sun, our Sun has lived more than his half age !!
It is going to become a White draft after more than 6 billon years. Plss help me as I want to become an Astronomer.

2006-06-18 21:26:53 · 13 answers · asked by SEASON 1 in Science & Mathematics Astronomy & Space

13 answers

The sun is about 4.5 billion years old and about 1/3 rd the way through it's expected life. Scientists have given us a glimpse of what to expect as the sun ages.

1.1 billion years or so, it will become 10% brighter. This will cause the earth to become super heated, all life will be destroyed and the oceans will boil away. Then in another 6.5 billion years, it will double in brightness and burn its supply of hydrogen fuel in its core. The sun will swell and become bigger than what we see today.

At around 8 billion years or so, the size will increase to 166 times and reach as far as Jupiter. The color will be red and it will be known as a Red Giant, but once the hydrogen fuel is depleted and the sun has reached the outer regions of Jupiter, it will start to shrink, losing both energy and brightness as it quickly consumes it's helium in in 100 million years or so..

Then, at around 12 billion years, the sun will eject much of its outer layers and become a smoldering, collapsed core that scientists would call a White Dwarf, but this is not the end, for it has one more transformation. It eventually will become a Black Hole.

If you would like to see what the sun will look like when it becomes a White Dwarf, go to:
http://www.physorg.com/newman/gfx/news/m2_9_large.jpg

2006-06-18 22:01:22 · answer #1 · answered by Seikilos 6 · 0 0

I agree mostly with Seikilos, the explanation is very good except for a few things. 1. The Sun is closer to 1/2 way through its life 2. When the Sun becomes a Red Giant it will only expand to between the orbit of Earth and Mars(Destroying Mercury, Venus, and Earth) 3. When the Sun is all out Helium it will eject its outer layers in whats called a planetary nebula and will leave only a superheated ball of carbon which is a White Dwarf 4. White Dwarf is the true end stage of a low-mass star(i.e. our sun)(high-mass stars are never White Dwarfs) it is just a superheated ball of carbon and will glow white until it has cooled. Thats the end, it will not turn into a black hole, its nowhere near the mass to turn into a black hole. I hope you have found this info use full and good luck with your desires to become an astronomer.

2006-06-21 19:51:46 · answer #2 · answered by Birds On The Bat 1 · 0 0

the sun first would become a red giant and then collaspe into a white dwarf,when it has used even helium,it would become a black dwarf,all this would happen after 5 billion years-much time

2006-06-18 23:39:08 · answer #3 · answered by ♀guardian of angels♀ 3 · 0 0

dont worry bout it so much.....it wont happen in ur lifetime nor ur grandchildrens........but yes.....one day it will die like other stars ........we can do nothing 'bout that !!! when it happens then there will be no life on earth as sun is the most important source of energy & without it life just isnt possible.......anywayz good luck to u 4r becoming an astronomer!!!

2006-06-18 21:56:12 · answer #4 · answered by nora 3 · 0 0

Star always do that!!! What's funny is that we are only here temporarily as our time is so short in comparison to the lives of stars and planet. The only way out is to have the ability to move around to other planets and colonise them. I think we actaully have five billion years to think of that (given nothing comes in between)!

2006-06-18 21:31:34 · answer #5 · answered by Titan 7 · 0 0

the sun is not going to burst or something like that!the process which takes place in sun is nuclear fusion where hydrogen combines to form helium.once all hydrogen is exhausted,fusion will stop.hence it ll not ve any energy to liberate.consequently no heat no light and nothin.thus it may lead to death of organisms in earth and in any other earth like planet.

2006-06-18 23:18:12 · answer #6 · answered by Anonymous · 0 0

I don't think you need to worry about it,unless you are planing to live for about another 2 billion years or so.

2006-06-18 21:32:32 · answer #7 · answered by g'day 3 · 0 0

Dont worry - i dont think you will be alive to see it. So you can still safely be an astronomer :)

2006-06-18 21:30:09 · answer #8 · answered by jubda 5 · 0 0

dont worry it will not burst
it need to be1.4(chandrashekar limit) times its size to burst into a supernova

2006-06-18 21:41:33 · answer #9 · answered by abhinay majestic 1 · 0 0

becoz it is very hot out there

2006-06-18 21:39:40 · answer #10 · answered by Lalit D 2 · 0 0

fedest.com, questions and answers