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omaralnatour omaralnatour
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Which of the following is a likely cause of relatively long gamma-ray bursts?



material ejected at high speeds along the poles of a collapsing massive star



radiation from material heated to high temperatures in a black hole's accretion disk



an explosion of a white dwarf as its mass reaches the Chandrasekhar limit



explosions of very massive stars within the disk of the Milky Way Galaxy

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ASTRO


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duhelloduhello
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