Asteroids |
|
|||||
"About 65 Million Years Ago a Very Large Asteroid Hit the Earh in the Yucatan Peninsula"5 Sep, 2007 07:12 pm A study published today in Nature reports the identification of the killer asteroid shower. William Botkke, lead author of the study,...The Asteroidal YORP Effect Observed7 May, 2007 12:26 pm For the first time, astronomers have witnessed the speeding up of an asteroid?s rotation rate (the YORP effect), and showed that it is due to a theoretical... |