Objects in the orbital debris environment are detected and monitored by a combination of remote and in situ measurements, and ground tests are used to help interpret those measurements. Calibration ...
For thousands of years, philosophers have pondered cardinality: knowing “how many.” Using a series of crude estimates, the ancient Greek mathematician Archimedes worked out the approximate number of ...
Astronomers have released a gargantuan survey of the galactic plane of the Milky Way. The new dataset contains a staggering 3.32 billion celestial objects -- arguably the largest such catalog so far.
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