Introduction to the dome theater: The dome theater projection equipment of the Heilongjiang Provincial Science and Technology Museum is the introduction of projection technology and equipment from the Canadian IMAX company. It is currently the most advanced and well-known film projection system in the world. The entire screen is a hemispherical screen with a diameter of 23 meters and an inclination of 30 degrees. It is like the sky encompassing the earth. It encompasses the entire auditorium under the giant dome screen, giving people a powerful dynamic and high-quality picture, which is highly shocking.