Asteroid the size of a house set for near miss with Earth
Big asteroid to sweep close September
By Eddie Irizarry in Astronomy Essentials, August 13, 2017
"Asteroid 3122 Florence is the biggest near-Earth
object to pass this close since this category of objects
was discovered over a century ago."
Close encounter: asteroid the size of a house set for
near miss with Earth Space rock 2012 TC4 expected
to zoom by harmlessly, coming within 27,300 miles –
an eighth of the distance from the Earth to the Moon
The Guardian, Agence France-Presse, August 10, 2017
Yours,
Paul H.
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