D :: R :: G

August 14, 2006

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

It may happen.

abz said...: yeah what happened to pluto?? i just love it cuz the name.; 8/14/2006 8:28 PM
Daniel Greene said...: 2,500 Astronomers from all over the world are currently convened in Prague to come up with a universal definition of what qualifies as a planet.

Should planets be grouped by location, size or another marker? If planets are defined by their size, should they be bigger than Pluto or another arbitrary size? The latter could expand the solar system to 23, 39 or even 53 planets.

Because Pluto is small and has more characteristics of just a rock floating around in space than a traditional planet, it may end up getting the boot 76 years after it was discovered and marked as the 9th planet.; 8/14/2006 8:54 PM
Daniel Greene said...: :0; 8/14/2006 11:37 PM
Daniel Greene said...: It is official, Pluto is no longer a planet.; 8/30/2006 6:35 PM