A China research team on Sunday successfully captured the laser return signal from the retroreflector of the Tiandu-1 satellite, which is approximately 130,000 km away from the Earth, using the newly upgraded near-infrared lunar laser ranging system of an 1.2-meter telescope.
This is the world’s first daytime satellite laser ranging in the Earth-moon space, marking a new technological breakthrough for China in the field of precise deep-space orbit measurement.
The measurement has resolved key technical challenges such as the suppression of strong solar background noise, which will help enhance navigation and positioning capabilities in the Earth-moon space. It will also support the argumentation and implementation of major deep-space exploration projects in the future, such as the International Lunar Research Station.
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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