Scientists Gaining Clearer Picture of Comet Makeup and Origin
Scientists Gaining Clearer Picture of Comet Makeup and Origin
http://www.spaceref.com/news/viewpr.nl.html?pid=20339
"Scientists are getting their best understanding yet of the makeup of comets -
not only of the materials inside these planetary building blocks, but also of the
way they could have formed around the Sun in the solar system's earliest years."
