Tag Archives: mph

Asteroid Flyby

The largest asteroid since 1976 zipped past earth last Tuesday.  NASA says a similar occurrence won’t happen again until 2028. A recent article in The New York Times notes that the asteroid, known as 2005 YU55, headed towards us at 29,000 mph (10+04) and came within 202,000 miles of earth (10+05), which is “…just inside [...]

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10-to-minus04

We can consider the power 10-04 from various perspectives.  This power is: The width of a single human hair (100 micrometers or 10-04 meters) The energy of a cricket’s chirp (9 x 10-04 Joules) The amount of caffeine in your average cup of coffee (1.5 x 10-04 kg) The speed of Jakobshavn Isbræ, one of [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1417 days ago