Three-Day Festival • Science Talks & Demos • and More
An Event 94 Years
in the making
CELEBRATE THE ANNIVERSARY OF PLUTO’S DISCOVERY FEB 17-19, 2024
Flagstaff, Arizona, and Lowell Observatory will be hosting our annual I Heart Pluto Festival to celebrate the discovery of Pluto in 1930!
Celebrate this beloved icy body with science talks, special events, art shows, the “Night of Discovery” special event at the Orpheum Theater with special guest Diana Gabaldon, and the community “Pluto Pub Crawl” on February 16 to kick-off the festival.
ATTEND THE FESTIVAL
Your General Admission pass will get you all-day access to Lowell Observatory. Tickets to the Night of Discovery at the Orpheum are sold separately. VIP Packages also available!
SEE THE SCHEDULE
Science presentations, Night of Discovery, Pluto Pub Crawl, live music, beer, and more! Plan your weekend in Flagstaff at the I Heart Pluto Festival by checking out our full schedule page.
Meet Our Keynote Speaker at The Night of Discovery
Meet Author Diana Gabaldon
Lowell Observatory is thrilled to announce that Diana Gabaldon, a celebrated Flagstaff local and acclaimed author of the “Outlander” series, will be the guest of honor and keynote speaker at the 2024 I Heart Pluto Festival’s Night of Discovery.
The Schedule At A Glance
A special thank you to the Arizona Office of Tourism for the Visit Arizona Initiative (VAI) Grant, which helped support this incredible community-wide event. Thank you for supporting our mission and our community’s celebration of Pluto!