types of stars
TRANSCRIPT
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TYPES OF STARS
SILVIA HERNANSANZMARIA LUZ MARTINNURIA DE SANTOS
BHC2
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STARS ARE ALL BASICALLY THE SAME: BIG GAS BALLS THAT HAVE BEEN BURNING FOR
BILLIONS OF YEARS.
THERE ARE MILLION OF TYPES OF STARS THAT WE HAVE DISCOVERED THROUGH EXPLORING THE UNIVERSE
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PROTOSTAR
THE PROTOSTAR IS A COLLECTION OF GAS THAT
HAS COLLAPSED DOWN FROM A GIANT MOLECULAR
CLOUD.
T Tauri Star
T TAURI STARS DON’T HAVE ENOUGH PRESSURE AND TEMPERATURE AT THEIR
CORES TO GENERATE NUCLEAR FUSION
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MAIN SEQUENCE STAR
RED GIANT STAR
STARS IN THE MAIN SEQUENCE WILL HAVE A SIZE THAT DEPENDS ON
THEIR MASS, WHICH IS DEFINED BY THEIR AMOUNT OF GRAVITY
THE RED GIANT PHASE OF A STAR’S LIFE WILL ONLY LAST A
FEW HUNDRED MILLION YEARS BEFORE IT RUNS OUT OF FUEL
COMPLETELY
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WHITE DWARF STAR
RED DWARF STAR
A WHITE DWARF SHINES BECAUSE IT WAS A HOT STAR ONCE, BUT
THERE’S NO FUSION REACTIONS HAPPENING ANYMORE.
A RED DWARF STAR IS A SMALL RED STAR. THESE STARS ARE AMONG THE
SMALLEST STARS.
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NEUTRON STARS BLACK HOLES
A NEUTRON STAR IS A TYPE OF REMAINS STELAR, IT RESULT OF THE
COLLAPSE OF A SUPERGIGANTIC STAR. THIS STAR IS COMPOSED OF
NEUTRON
A BLACK HOLE IS A HOLE FORMED BY THE COLLAPSE
OF A STAR AT THE END OF ITS LIFE.
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SUPERGIGANTIC STARS
A SUPERGIGANTIC STAR IS THE MOST LUMINOUS BECAUSE IT HAS A LOT OF ENERGY BUT ITS LIFE IS
SHORT AND IT EVENTUALLY EXPLODES.