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  Hey,if u think u know the sun very well,,think again!!!!!!!!!!!!   Awaiting Review for Nickels
Tagged with:    [Post New]posted on 24 Feb 2008 19:09:35 IST    
PHASES OF A STAR:
heavenly bodies in your not-so-friendly galactic neighbourhood.............
Beware,in a few 100 million years ,our fate could rest upon one of these , with our own friendly sun,turning on full-throttle against us....................................
Read on...........
 
 
Evolution of stars
The life cycles of stars follow three general patterns, each associated with a range of initial mass. There are (1) high-mass stars, which have more than 8 solar masses; (2) intermediate-mass stars, with 0.5 to 8 solar masses -- the group that includes the sun; and (3) low-mass stars, with 0.1 to 0.5 solar mass. Objects with less than 0.1 solar mass do not have enough gravitational force to produce the core temperature necessary for hydrogen fusion.
The life cycles of single stars are simpler than those of binary systems, so this section discusses the evolution of single stars first. And because astronomers know much more about the sun than any other star, the discussion begins with the development of intermediate-mass stars.
 
Image:CMB Timeline75.jpg
 
our sun now:
 
But a few million years from now:..........
It could: ..............................................
 
 become a Main Phase Star
 
 become a Red giant star
 
 become an Asymptotic Giant star
 
  become A white dwarf star
 
  become A black dwarf star
 
 undergo a supernova
 
 become a neutron star
 
 become a magnetar
 
 become a quasar..
 
 
Or the most dangerous of all a massive star devouring black hole....................
 
After reading this you certainly would'nt want to live at that time......................
Think about it........
 
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AJ1991 (216)

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Olaaa!! Perrrfect answer. 38  [51 rates]

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sti
sti is offline comment by sti    (posted on 24 Feb 2008 19:46:21 IST)
gud job!!
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