Astronomy September 2017

Item #ASY170901-C

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Discover Pluto’s unique geography, say good-bye to Cassini and much more in the September 2017 issue.

Features include:
  • Puzzled by Pluto: Unique landscapes, recent geological activity, and a possible underground ocean.
  • Cassini’s Grand Finale: The spacecraft’s final minutes will be fruitful ones.
  • 16 times we didn’t find E.T.: Humanity’s false alarms in the search for aliens.
  • How Flagstaff is preserving dark skies: Keeping the Lowell Observatory’s hometown in the dark.
Astronomy Discover