研究人员认为氮冰是最可能构成这一神秘星际物体的物质。
Pluto
Posted inResearch Spotlights
‘Oumuamua May Be an Icy Fragment of a Pluto-Like Exoplanet
Researchers favor nitrogen ice as the most likely material for the mysterious interstellar object’s composition.
Posted inNews
Ancient Impact’s Seismic Waves Reveal Pluto’s Ocean, Core
By modeling the waves produced by a massive, ancient impact, scientists have begun to unlock the secrets of Pluto’s interior.
Posted inNews
Ammonia Ice Deposits on Pluto Hint at Recent Cryovolcanism
This discovery is the latest in a growing stack of evidence pointing to the presence of an ammonia-rich water ocean beneath Pluto’s icy crust.
Posted inNews
Pluto’s and Charon’s Craters Reveal a Solar System Deficit
The New Horizons spacecraft recorded images of craters that imply an unexpected dearth of small objects in the Kuiper Belt.
Posted inNews
New Book Conveys Details and Flavor of First Mission to Pluto
New Horizons principal investigator tells Eos that the mission has revolutionized our understanding of small planets.
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Pluto’s Features Receive First Official Names
Names of mountains, plains, valleys, and craters honor human and technological pioneers, Pluto scientists, and underworld mythology from around the world.
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Pluto Observers Find Possible Clouds, Remarkably Bright Surface
Smudges on images could be clouds that form at dawn and dusk, scientists report, and measurements of high reflectivity of Pluto’s “heart” add new evidence of a geologically young surface.
Posted inNews
Scientists Solve Charon's Red Mystery
Why are Charon's poles dusted with reddish material?
Posted inNews
Six Things Dwarf Planets Have Taught Us About the Solar System
It's been 10 years since Pluto was reclassified as a dwarf planet. But no matter the label, it and its dwarf planet cousins continue to stun researchers with their complexity.