In today's rich material life, people pay more attention to the acquisition of knowledge。Astronomy is getting more and more attention and love。To understand our home planet，To understand the origins of the universe in which we exist，Thus increase the accumulation of popular science knowledge，Improve their teaching comprehensive quality，On June 5, 2005，World Environment Day，The Mathematics and Computer Party branch of Tsinghua High School organized party members to visit the new Beijing Planetarium，Experience first-hand the 3D sound effects, action-packed theaters, and astronomy-related exhibits that bring us a variety of high-tech and fresh, intuitive knowledge of the universe。

As one of the 60 key projects in Beijing, the new Beijing Planetarium is one of the largest professional planetariums in the world。 With a total height of nearly 30 meters, the new Beijing Planetarium is nearly 20,000 square meters，It has world-class astronomy science popularization equipment: The Digital Space Theater has introduced the world's most advanced digital planetarium equipment，A three-dimensional all-sky projection system in a circular, globular theater，Create unparalleled, interactive, three-dimensional color images。The film "Are We Alone?" makes the audience feel the vastness and magnificence of the entire universe, triggering people's desire for scientific knowledge and exploration。3D dynamic theater is composed of 6 groups of 8 pedestal cabin type dynamic seats, which can produce up and down, left and right swing, left and right rotation, braking or acceleration, rotation, rotation and other movements, the audience can sit in 6 spacecraft, with 6 degrees of freedom of movement in space shuttle, experience the thrilling feeling。The equipment is the most advanced motion picture equipment in the world。The new solar observatory has introduced the country's first solar vacuum telescope with a diameter of 300 mm，It is specially used to observe and display the physical characteristics and activity phenomena of the photosphere and chromosphere，It transmits the solar image through a special channel to the exhibition hall，Daily broadcast of the Sun's "live performance"，Viewers will be able to see sunspots, spots, flares and every little change in the sun，See a solar storm erupt for yourself。

During the visit, everyone was impressed by today's high-tech means and moved by the knowledge about the origin of the Earth, life and the entire universe。At the same time, we are also pleased to feel the rapid development of our motherland's scientific and technological level, and the improvement of people's advocacy of science and attention to nature。At the end of the visit, everyone said that they should take what they saw and felt as the driving force of the visit, based on their own teaching posts, constantly supplement fresh science popularization knowledge of various disciplines and multi-angles, inject new vitality and content into their education and teaching level, and strive to cultivate high-quality talents of the motherland in the future。