It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
(visit the link for the full news article)
When it comes to 22-million-ton asteroids, the small stuff, it turns out, can make a huge difference in a potentially disastrous path toward Earth.
Using limited observations and lots of high-end computer modeling, astronomers have gotten a better handle on the limitations of asteroid-track forecasting in a new study of a potentially threatening asteroid called 99942 Apophis.