Everybody leaves off Pluto. This eight foot tall model of the solar system is part of the Long Now project which started around the idea that people think and act in timeframes which are very short. This orrery and... read more.>
Posted on June 16, 2008 11:02 PM
It is probably not important, but... There are roughly pi*10e7 seconds in a year. Combine this with the fact that light travels 300,000Km/second and it makes it easier to remember that a light year is around 9 trillion kilometers.... read more.>
Posted on March 1, 2007 1:39 PM
You know you are getting old when candy you bought for a nickel when you were a kid is 65 cents. In comparison moving from 9 planets to "maybe 12" with potential for millions (imagine the wheelbarrow you would need... read more.>
Posted on August 16, 2006 11:43 AM
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