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Lab 10: The Milky Way


A galaxy is a collection of [stars], [gas], and [dust] gravitationally bound together.

Types of galaxies:

  1. [Spiral] - dominated by a disk distribution
  2. [Elliptical] - dominated by an halo distribution
The O plate was taken with a [blue]-color filter.
The E plate was taken with a [red]-color filter.

Types of Objects in the Sky:


O-plate

E-plate