The Boston Globe, March 30th, 2004
After years of debate, astronomers worldwide are now planning to settle a question that seems basic to every schoolchild: What is a planet? Prompted by controversy over the status of Sedna - a large and distant object announced this month circling the sun - the International Astronomical Union is convening a group of top astronomers to draw up official rules for which cosmic bodies are defined as planets. Already, some speculate that there could be a popular casualty. Pluto, the ninth planet, would fail many of the proposed criteria. "There is a lot more evidence now that it really was a mista...
HighBeam Research, Free Preview: 'WHAT IS A PLANET? GROUP SEARCHES FOR A DEFINITION SEDNA DISCOVERY PROMPTS A DEBATE'... Full Membership required for unlimited access. Free 7-day trial.
Subscribers: HighBeam content is only available to HighBeam subscribers. Click the link above for more information.
