1 août 2006 - Pluto considered not a planet anymore
Description:
In August 2006 the International Astronomical Union downgraded the status of Pluto to that of dwarf planet. This means that from now on only the rocky worlds of the inner Solar System and the gas giants of the outer system will be designated as planets.Ajouté au bande de temps:
Date:
1 août 2006
Maintenaint
~ Il y a 17 ans
