Shanghai Astronomy Museum

The Shanghai Astronomy Museum was designed on a single principle: nothing in it should be a straight line or a right angle. Its architect, Thomas J. Wong of the New York practice Ennead Architects, took his cue from the three-body problem, the classic puzzle of physics in which several masses pull on one another in looping, never-quite-repeating paths. The result, a branch of the Shanghai Science and Technology Museum that opened in July 2021, sweeps across its site in long curves like orbits drawn in concrete and glass. With some 38,000 square metres of floor space, it is described as the largest museum in the world devoted solely to astronomy.

The building is also an instrument. Three set pieces track the sun, the moon and the stars. Above the main entrance hangs the Oculus, a ring that throws a moving disc of sunlight across the plaza through the day and the year; at noon on the summer solstice the circle of light falls whole onto a round platform on the ground. At the heart of the museum, a 720-degree spiral ramp climbs through the atrium to the Inverted Dome, a glass bowl set on the roof that cuts away the horizon and the surrounding city and leaves the visitor alone with the sky.

The third piece is the Sphere, which contains the planetarium theatre. It is sunk halfway into the building and held on so few supports that it seems to hover, an object that looks as if it has just arrived rather than been built. Around it, permanent and temporary galleries fill the museum, and the wider grounds hold an observatory, a solar telescope tower about 24 metres tall, an education centre and a youth observation camp, set in parkland with a reflecting pool before the entrance.

What makes the place memorable is how much of it works with real light rather than projection. Come on a clear day and watch the sun's disc slide across the entry, or stand under the inverted glass at dusk as the sky darkens overhead; the building is at its best when the actual cosmos is part of the exhibit.

Getting there

The museum is at 380 Lingang Avenue in Lingang, the new coastal town at the southeastern tip of Pudong, far from central Shanghai: a taxi from downtown takes well over an hour. Shanghai Pudong International Airport (PVG) is about 28 km away. Metro Line 16 runs to Dishui Lake station, about a 15-minute walk from the museum, and several local buses stop near the museum.