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From analyzing how much stuff we can get from asteroids such as water and minerals to the most interesting facts about asteroids, the follow up is a July 25th close encounter with an actual asteroid which zipped by Earth only about 1/5th of the distance to the Moon.
Spacedaily.com has the details and the facts about how much warning Earth and its inhabitants get with current technology and spending.
Observations of near-Earth asteroid 2019 OK, just before its close approach on 25 July 2019. ESA requested the observations from the International Scientific Optical Network (ISON) who then aimed two of their telescopes at the 100 m-wide rocky body – which appears as a dark blob at the centre […]