Named after Florence Nightingale, this monster (4.4 kilometers wide) zipped past the Earth at a closest-approach distance of seven million kilometers at ~7am CDT this morning. It will remain brighter than magnitude ten through 5 September. Most intermediate-level amateurs should be able to catch Florence in a six-inch or larger instrument. This will be its closest approach since 1890 and the last close visit until beyond the year 2500!
Path of Florence through tomorrow night...
http://wwwcdn.skyandtelescope.com/wp-co ... view-m.jpg
...and through 5 September...
http://wwwcdn.skyandtelescope.com/wp-co ... e_wide.jpg
http://www.skyandtelescope.com/observin ... this-week/
https://www.nasa.gov/feature/jpl/large- ... -on-sept-1
Small pieces of rock, with a big influence (just ask the dinosaurs).
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