Dwarf Planets | Universe Today

Dwarf Planets

Asteroid Hygiea is Round Enough That it Could Qualify as a Dwarf Planet, the Smallest in the Solar System

Using the Very Large Telescope, an international team of astronomers observed Hygeia and determined it could be the smallest dwarf…

2 weeks ago

Dwarf Planet Haumea Has a Ring

A unique opportunity to study the dwarf planet Haumea has led to an intriguing discovery: Haumea is surrounded by a…

2 years ago

Phenomenal New View of Ceres ‘Lonely Mountain’ Reveals Signs of Volcanic Activity

An amazing new view of Ceres' Ahuna Mons reveals it as a towering volcanic dome likely composed of salty mud.…

3 years ago

New Dwarf Planet Discovered Beyond Neptune

A dwarf planet has been discovered beyond Neptune. It's about 700 km in size, and its orbit takes it 120…

3 years ago

Haumean Moons Deepen The Dwarf Planet Mystery

Pluto and Haumea have long been thought of as cousins. But a new study highlights Haumea's lack of small, icy…

3 years ago

2007 OR10 Needs A Name. We Suggest Dwarfplanet McDwarfplanetyface

Astronomers using the Kepler spacecraft and data from the Herschel Space Observatory have given us a revealing glimpse of dwarf…

4 years ago

Dark Moon Discovered Orbiting Dwarf Planet Makemake

Planetary scientists using the Hubble Space Telescope have spotted a dark mini-moon orbiting the distant dwarf planet Makemake. The moon,…

4 years ago

Best NASA Images Yet Of Ceres’ Brightest Spot

New images from NASA's Dawn spacecraft reveal spectacular new details in Ceres' intriguing "bright spots".

4 years ago

Clouds Seen On Pluto For First Time

New images from NASA's New Horizons probe show possible clouds drifting lazily over Pluto's chill landscape.

4 years ago