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The Virgo Cluster of galaxies is not much larger in size than the Local Group, but it does contain far more galaxies.
Q9: Europa is one of the most promising
Q10: Centaurus A, with two large radio lobes,
Q31: Assuming the conditions ripe for life and
Q39: Which method relies on the mass of
Q44: A hypernova creates<br>A) millisecond- duration gamma- ray
Q81: What do we mean by "life as
Q85: The main reason that stars evolved off
Q86: Mergers between equally massive galaxies usually produce
Q118: Seyferts are spirals with quasar- like nuclei.
Q131: As a spaceship nears an event horizon,