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What effect are magnetic fields thought to have on star formation in molecular clouds?
Q3: Which star appears brightest in the sky?
Q6: Although some photographs show what looks like
Q8: Which stars have convective cores?<br>A)low-mass stars<br>B)intermediate-mass stars<br>C)high-mass
Q19: If a star is extremely massive (well
Q22: Which of the following pairs of atomic
Q38: After a supernova event,what is left behind?<br>A)always
Q48: Overall,what is our most accurate technique for
Q69: Most stars are born in clusters containing
Q76: Sunspots are cooler than the surrounding solar
Q93: Suppose that hydrogen,rather than iron,had the lowest