2 août 2006 - Pluto is downgraded from planet to dwarf planet In August of 2006, scientists declared Pluto did not share enough traits with other planets to be considered a planet Pluto has not completed a full orbit around the sun from the time it has been discovered, to the time it was downgraded
Ajouté au bande de temps:
Date:
2 août 2006
Maintenaint
~ Il y a 17 ans
