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Q17: When a star's inward gravity and outward
Q27: An intermediately wound barred spiral galaxy would,in
Q28: There appears to be a correlation between
Q33: The most famous G type star is:<br>A)
Q38: That quasars were at cosmological distances yet
Q48: M-87,the giant elliptical at the heart of
Q63: Two isotopes of the same element differ
Q64: Why is it that the quasars we
Q76: The "Local Bubble" is:<br>A) created by our
Q82: A spherical galaxy,like M87,which looks like a