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Space

China's answer to SpaceX's Starlink is also threatening astronomy

The first 18 satellites of a planned Chinese mega constellation are brighter than all but 500 stars in the sky, raising fears of a huge impact on astronomy

By Jonathan O’Callaghan

3 October 2024

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

An artist’s impression of the Qianfan satellite mega constellation

CCTV

China has begun construction of a mega constellation that will eventually consist of nearly 14,000 satellites, but the launch of the first 18 is already sparking concerns from astronomers about their impact on the night sky.

The Qianfan mega constellation is intended to beam internet to the ground and rival the likes of SpaceX’s Starlink constellation, which already boasts more than 6000 satellites and has doubled the number of active satellites in space.

When SpaceX first…

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