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STAR STUFF, QUASARS, PULSARS, NEUTRON STARS, ETC.

  1. OLD STARS EXPLODE TO FORM GAS AND STARDUST.
  2. OUR MILKY WAY IS A PART OF THE LOCAL GROUP.
  3. The Milky Way is a barred spiral galaxy with an estimated visible diameter between 170,000 and 200,000 light-years (ly). They estimate it to contain 100–400 billion stars and at least that number of planets. The dark matter halo around the Milky Way may span as much as 2 million light-years.
 
  1. A HYPER SUPERNOVA EXPLOSION CREATES A BLACK HOLE. (ALONG WITH GAMMA-RAY BURSTS).
  2. THIS IS THE STRONGEST EXPLOSION IN THE UNIVERSE; IT CREATES NEUTRINOS, WHICH CARRY ENERGY AWAY.
  3. EVERY GALAXY HAS AT LEAST ONE GIANT BLACK HOLE AT ITS CENTER.
  4.  LIGHT EVENTUALLY GETS STRETCHED INTO MICROWAVE RADIATION.
    We observe most neutron stars as pulsars. Pulsars are rotating neutron stars observed to have pulses of radiation at regular intervals that typically range from milliseconds to seconds. Pulsars have powerful magnetic fields which funnel jets of particles out along the two magnetic poles. neutron star is the collapsed core of a massive supergiant star, which had a total mass of … to calculate the characteristic age of a pulsar but gives an estimate more significant than the actual age when it applies to young pulsars.
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