Sagamihara City Museum Planetarium to Host 1st Anniversary Commemorative Event on July 16 (Thu)!

Sagamihara City Museum reopened its planetarium on July 16 last year, featuring the largest dome in Kanagawa Prefecture at 23 meters in diameter. It has been reborn as the world's first planetarium where visitors can simultaneously experience 1 billion stars and 8K full-dome video.

The renovated planetarium has received tremendous acclaim from visitors both within and outside the city, with over 100,000 guests having enjoyed its shows. To express gratitude to all attendees, the museum will host the "Planetarium 1st Anniversary Commemorative Event" on Thursday, July 16, 2026.

・Event Overview: "Planetarium 1st Anniversary Commemorative Event"

【Date】

July 16, 2026 (Thursday), 10:00 AM – 11:40 AM

【Venue】

Sagamihara City Museum Planetarium (3-1-15 Takane, Chuo-ku, Sagamihara City)

https://sagamiharacitymuseum.jp/information/guide/

【Program】

▼ Commemorative Lecture

"Frontlines of Planetary Defense Inspired by Hayabusa2#: What is Planetary Defense?"

・Speaker: Dr. Makoto Yoshikawa

(Team Leader, JAXA Planetary Defense Team)

▼ Planetarium Naming Rights Announcement

The new official name for the planetarium, effective from July 16, will be announced.

・Naming Rights Sponsor: Tokyo Kiraboshi Financial Group Inc.

▼ Planetarium Viewing Session

A revival screening of the reopening commemorative program "New Light RE:UNIVERSE" will be held.

【Capacity】

150 people (first-come, first-served)

【Admission】

Free

【Registration】

Applications open from 8:30 AM on Saturday, June 20, via the museum’s official website.

https://sagamiharacitymuseum.jp/

・Sagamihara City Museum Planetarium Introduction Video

*Media representatives wishing to cover the event are requested to contact the Sagamihara City City Promotion Strategy Division by the day before the event.