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The wisdom for the “Pre-Socratics” is:

The ideas of who are philosophers in the life of Socrates except:

1.Collisions between galaxies is thought to

1.The further away a galaxy is

1.Gravitational lensing of distant, faint irregular galaxies may be the key to

1.A galaxy containing substantial amounts of dark matter will

1.The more massive a galaxy is,

That quasars were at cosmological distances yet appeared like ordinary faint stars meant:

According to Hubble’s Law, the greater a galaxy’s redshift, the

Young stars in a galactic disk are