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I Heart Pluto Festival – Day 3


An Event 93 Years in the Making!

Celebrate the anniversary of Pluto’s discovery on February 18-20, 2023.

Show your love at the Home of Pluto in snowy Flagstaff, Arizona, where it was discovered by Clyde Tombaugh 93 years ago on February 18, 1930. This festival will take place at Lowell Observatory with special events throughout the historic city of Flagstaff, Arizona.

For just the cost of daily admission each day, the I Heart Pluto Festival at Lowell Observatory will include:

  • New Science Talks
  • Unique Science Demos
  • Special Pluto Tours
  • A New Clyde Tombaugh 9″ Telescope Exhibit
  • Food Trucks
  • Live Music
  • Face Painting
  • Henna Art
  • Art Show Gallery
  • BINGO Scavenger Hunt
  • And More!

Don’t miss other events happening around Flagstaff, Arizona, for the 2023 I Heart Pluto Festival, too! VIP Tickets available. Night of Discovery tickets at the Orpheum sold separately. To learn more, go to

Learn More at

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Lowell Observatory
1400 W Mars Hill Rd
Flagstaff, AZ 86001 United States
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