"Doraemon: The Secret of the Solar System" (Doraemon: Uchū Fushigi Dai Tanken 2 〜Taiyōkei no Himitsu〜), produced in 2013, has a runtime of approximately 35 minutes and features the most complete and accurate astronomical knowledge. Join the beloved main characters—Doraemon, Nobita, Shizuka, Suneo, and Gian—as they journey through the solar system. Follow them through the Anywhere Door to travel across the solar system, experience riding on a comet, and plunge into Earth's atmosphere like a meteor. Using the Time Machine, travel back to witness the birth of the solar system and understand the relationships between comets, meteors, and meteorites. This film was produced in collaboration with NASA in the United States and JAXA in Japan, offering insights into both Japanese satellites and American spacecraft! The Taipei Astronomical Museum in Taiwan introduced and screened it in 2017.