02:08 Bernardo Riedel is a folk hero for amateur astronomers around the world.Now aged 80, the retired university professor from Brazil has made, by hand, nearly 2500 telescopes, in a
China will officially open its 500-meter Aperture Spherical Telescope's (FAST), the world's largest single-dish radio telescope, to international scientists starting Ap
The latest estimation that there might be 10 times more galaxies in the universe than previously thought requires more powerful telescopes to observe the "missing" galaxies and China can be a strong player in this field, astronomers said.
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