15 янв 2005 г. - Demote Pluto
Описание:
Neil Tyson joins with a group of scientist in leading a campaign to demote Pluto to a dwarf planet. Though it was a controversial issue, he explained how it failed to meet the qualifications of a planet. The next year in 2006, the Internation Astronomical Union reclassified Pluto as a dwarf.Добавлено на ленту времени:
Дата:
15 янв 2005 г.
Сейчас
~ 20 г назад