24" Clark Refractor Telescope
Discover the universe with the same telescope that inspired Percival Lowell to search for life on Mars, revealed the expanding universe, and gave Apollo astronauts early views of the Moon.
Weather
Plan Your Visit
See what fun adventures await during your visit.
Get Your Tickets
General Admission
General Admission
General Admission gives you all-day access to 127 years of astronomical discovery at Lowell Observatory.
General Admission
Premium Access
Premium Access
Designed for small groups of 10 individuals, these private personalized expeditions across the stars offer exclusive opportunities to view the cosmos.
Premium Access
Areas of Research
Learn More
Solar System
Planetary scientists continue a long tradition of studying bodies in the solar system, including the Sun, planets, moons, comets, meteors, asteroids, and Kuiper belt objects.
Learn More
Learn More
Stellar Astrophysics
Another longstanding tradition at Lowell is the study of stars, from supermassive Wolf-Rayet stars to low-mass M-dwarf varieties.
Learn More
Learn More
Exoplanetary Systems
Lowell astronomers search for distant worlds around other stars and characterize their nature.
Learn More
Learn More
Galactic & Extragalactic Astronomy
V. M. Slipher’s observations of the redshifts of galaxies a century ago were the first evidence for the expansion of the universe. Research on structures of galaxies and of the universe continues at Lowell today.
Learn More
Learn More
Cultural Astronomy
Researchers not only study how the universe works, but also how humans perceive it and integrate these interpretations into culture.
Learn More
Learn More
Instrumentation Research & Development
Our instrumentation team carries out a variety of work in support of research instrumentation, outreach telescopes, and historic preservation projects.
Learn More
