2005 ⟶ Discovery of Eris, a Large Body in the Outer Solar System
Mike Brown and his team discovered Eris a large body in the ...
Year
1930
2005
2006
🪐 Clyde Tombaugh Discovers the Dwarf Planet Pluto
Clyde Tombaugh discovers the dwarf planet Pluto at the Lowell Observatory in Flagstaff, Arizona. The object is so faint and moving so slowly that he has to compare photos taken several nights apart.⟶
AstronomyPlanetary SciencePlutoDwarf PlanetClyde TombaughSolar SystemLowell Observatory20th Century
United States🪐 Discovery of Eris, a Large Body in the Outer Solar System
Mike Brown and his team discovered Eris a large body in the outer Solar System which was temporarily named as (2003) UB313. Initially, it appeared larger than Pluto and was called the tenth planet.⟶
AstronomySolar SystemErisDwarf PlanetMike BrownKuiper Belt21st Century Science
United States🧠 Discovery of Grid Cells in the Brain
Grid cells in the brain are discovered by Edvard Moser and May-Britt Moser.⟶
NeuroscienceCognitive ScienceBrain MappingSpatial CognitionEdvard MoserMay-Britt Moser21st Century ScienceNeural CircuitsMemory
Norway🪐 International Astronomical Union Redefines Planets, Downgrading Pluto
International Astronomical Union (IAU) adopted a new definition of planet. A new distinct class of objects called dwarf planets was also decided. Pluto was redefined as a dwarf planet along with Ceres and Eris, formerly known as (2003) UB313. Eris was named after the IAU General Assembly in 2006.⟶
AstronomyPlanetary SciencePlutoDwarf PlanetsInternational Astronomical UnionSolar SystemErisCeresDefinition of Planet21st Century Science