• From the Age of Earth to the End of Lead: The Dual Legacy of Clair Patterson

    Hosted by Cincinnati Observatory

    Clair Patterson was an American geochemist who was tasked with the project of using radioactive dating to measure the age of the Earth. The process involved comparing the concentrations of uranium and lead in rock samples, but Patterson quickly discovered that lead severely contaminated his laboratory. This realization began a lifelong crusade to combat environmental […]

    Cincinnati Observatory, Cincinnati, OH

    Family Astronomy Night at the Cincinnati Observatory

    Hosted by Cincinnati Observatory

    Family Astronomy Night is our fun and interactive craft/activity night for families at the Cincinnati Observatory. A cross between our Cosmic Kids and Astronomy Evening programs, this program is geared for families with children 5-12 years old. The evening includes viewing through a telescope (if clear), a quick presentation on the theme for the evening, […]

    Cincinnati Observatory, Cincinnati, OH
  • Sights Before Sunrise: Lunar Eclipse Edition

    Hosted by Cincinnati Observatory

    Early birds will be rewarded with a total lunar eclipse on the morning of Tuesday, March 3, and—weather permitting—the Cincinnati Observatory will open early to celebrate. Join us in the quiet hours before dawn to witness one of nature’s most spectacular sights through our historic telescope. Doors open at 4:30 a.m., with the partial eclipse […]

    Cincinnati Observatory, Cincinnati, OH

    Pi Day Celebration with the Cincinnati Observatory

    Hosted by Cincinnati Observatory

    Join us for an evening of hands-on science, sweet celebration, and just the right amount of whipped-cream suspense as we honor the most famous irrational number in the universe: π. This year’s celebration will take place at Clark Montessori High School’s Cafetorium, giving us room to expand the fun. Throughout the evening, step inside our […]

    Clark Montessori High School, Cincinnati, OH

    Omens in the Sky: Astronomical Superstitions and the Science Behind Them

    Hosted by Cincinnati Observatory

    For most of human history, the sky wasn’t just beautiful — it was a warning system. Comets meant disaster. Eclipses meant the Sun was under attack. A full Moon could drive people mad. Even certain dates, like the Ides of March, carried cosmic dread. In this program, we’ll explore famous superstitions tied to astronomical events […]

    Cincinnati Observatory, Cincinnati, OH

    Adult Astronaut Academy at the Cincinnati Observatory

    Hosted by Cincinnati Observatory

    Join us for a fun and creative night out as we explore the science behind the equinoxes and solstices. Discover why there are two times each year when day and night are nearly equal in length, the equinoxes, and what’s happening in the months between as we move toward longer summer days or shorter winter […]

    Cincinnati Observatory, Cincinnati, OH
  • Crowded Skies: Satellites and Space Debris

    Hosted by Cincinnati Observatory

    Earth is surrounded by thousands of active satellites—and millions of pieces of debris. This class explores how satellites power modern life, from communication to navigation, and the growing challenge of keeping orbit safe and sustainable. Discover the hidden world above our heads and what it means for the future of space exploration. Class level: Introductory […]

    Cincinnati Observatory, Cincinnati, OH

    Pop-Up Planetarium Night at Madtree Brewing

    Hosted by Cincinnati Observatory

    Join us at Madtree Brewing (in the Barrel Room) to gaze at the stars and learn through hands-on fun in this astronomy-themed pop up. The Cincinnati Observatory will present planetarium shows in their inflatable planetarium, provide Jupiter-themed crafts and activities for kids, and end the night with Drunk Astronomy with Astronomer, Dr. Wes Ryle. There […]

    Cincinnati Observatory, Cincinnati, OH
  • Star Wars Night: A Bird & Star-Friendly Skies Event

    Hosted by Cincinnati Observatory

    May the Fourth be with you… under the stars. Weather dependent, be sure to check Zoo and Observatory event pages day-of to confirm event status Join the Cincinnati Zoo & Botanical Garden, Cincinnati Observatory, and DarkSky Ohio at the Cincinnati Observatory for a one-of-a-kind evening where galaxies far, far away meet the wildlife right above […]

    Cincinnati Observatory, Cincinnati, OH

    Gamma-Ray Bursts: The Universe’s Most Powerful Explosions

    Hosted by Cincinnati Observatory

    For a fraction of a second — or maybe a few minutes — a gamma-ray burst can outshine everything else in the observable universe combined. These staggering explosions were one of astronomy's greatest mysteries when first discovered, and even today they're keeping scientists up at night. We'll explore what causes these cosmic detonations, how astronomers […]

    Cincinnati Observatory, Cincinnati, OH
  • Partial Lunar Eclipse Viewing at the Cincinnati Observatory

    Hosted by Cincinnati Observatory

    Join us at the observatory for telescope views of a partial lunar eclipse! The visible portion of the eclipse begins at 10:33PM as the Moon enters the Earth's shadow. At 12:12AM, the Moon will be 96% eclipsed, turning a deep red color commonly referred to as a "blood Moon". No registration required. A suggested donation […]

    Cincinnati Observatory, Cincinnati, OH
  • Seeing Double: The Observatory’s Double Star Studies – Astronomy Class

    Hosted by Cincinnati Observatory

    Presenter: Dr. Wes Ryle What looks like a single star to the naked eye often turns out to be two or more when examined with a telescope. These “double stars” have deep ties to the past research of the Cincinnati Observatory. Our founder, Ormsby Mitchel, is credited with the discovery of the prominent star Antares […]

    Cincinnati Observatory, Cincinnati, OH