China's Bold 2032 Missions Will Probe the Solar System's Outer Limits by 2050s

China has unveiled plans for two ambitious space missions to the outer edges of the solar system. The dual projects, targeting the heliosphere's head and tail, will launch in 2032 and 2033. Both missions aim to expand understanding of heliospheric physics, planetary science, and astrophysics beyond existing data from NASA's Voyager probes.

The proposals were detailed in coordinated papers led by Wu Weiren, director of China's Deep Space Exploration Laboratory (DSEL). These missions mark the country's first attempt to explore the solar system's distant boundaries with a suite of advanced scientific instruments.

The two spacecraft will lift off aboard Long March 5 rockets, each equipped with a kick stage for additional propulsion. Both will use Jupiter's gravity to slingshot toward their respective destinations: one toward the heliosphere's nose, the other toward its tail.

The head-direction mission could include a flyby of Neptune before reaching its primary target around 2053. Meanwhile, the tail-direction probe may pass either Saturn or Uranus—though not both—before arriving at the heliotail's far edge near 2059.

Each mission will carry 11 scientific instruments designed to address gaps in heliophysics research. However, specific goals and measurement parameters have not yet been publicly outlined. The papers emphasise the need to build on Voyager's legacy while pushing into unexplored regions of space.

If successful, these missions will provide new data on the solar system's outer limits. The probes are expected to operate for decades, reaching their targets in the 2050s. Their findings could reshape understanding of the heliosphere's structure and interactions with interstellar space.