Do you really know the number that accurately?

I was looking at the list of potentially hazardous asteroids at spaceweather.com yesterday. The site provides a variety of information on the state of the sun, aurora forecasts, on current and future comets, and at the bottom of the page they provide a table listing recent and upcoming earth-asteroid encounters. It is a neat and […]

Posted by Larry on May 20th, 2013 | 3 Comments Posted in Small Differences