Search results for Dwarf Planet Eris

Astronomy Mar 14, 2022

Still searching for Planet 9

The solar system has eight planets. In 2006, astronomers reclassified Pluto as a dwarf planet, the same class that contains Eris, Sedna, Quaoar, Ceres and perhaps many more solar system small bodies. These are defined approximately ...

Space Exploration Jan 05, 2022

2029 will be the perfect year to launch a mission to Sedna

Object 90377 Sedna—a distant trans-Neptunian object known best for its highly elliptical, 11,390-year long orbit—is currently on its way toward perihelion (its closest approach to the sun) in 2076. After that, Sedna will ...

Space Exploration Dec 15, 2021

Cracking the mystery of nitrogen ice dynamics on Pluto

Scientists have unraveled a fascinating new insight into how the landscape of the dwarf-planet Pluto has formed.

Astronomy Oct 29, 2020

NASA's Webb to examine objects in the graveyard of the solar system

Beyond the orbit of Neptune, a diverse collection of thousands of dwarf planets and other relatively small objects dwells in a region called the Kuiper Belt. These often-pristine leftovers from our solar system's days of ...

Astronomy Sep 21, 2020

Rock types on Ryugu provide clues to the asteroid's turbulent history

The asteroid Ryugu may look like a solid piece of rock, but it's more accurate to liken it to an orbiting pile of rubble. Given the relative fragility of this collection of loosely bound boulders, researchers believe that ...

Space Exploration Jun 22, 2020

Evidence supports 'hot start' scenario and early ocean formation on Pluto

The accretion of new material during Pluto's formation may have generated enough heat to create a liquid ocean that has persisted beneath an icy crust to the present day, despite the dwarf planet's orbit far from the sun ...

Astronomy May 22, 2019

Neptune's moon Triton fosters rare icy union

Astronomers using the Gemini Observatory explore Neptune's largest moon Triton and observe, for the first time beyond the lab, an extraordinary union between carbon monoxide and nitrogen ices. The discovery offers insights ...

Space Exploration Apr 11, 2019

Public invited to help name the largest unnamed world in the solar system

More than 10 years since its discovery, (225088) 2007 OR10 is the largest minor planet in our solar system without a name, and the 3 astronomers who discovered it want the public's help to change that. In an article published ...

Astronomy Dec 17, 2018

Outer solar system experts find 'far out there' dwarf planet

A team of astronomers has discovered the most-distant body ever observed in our Solar System. It is the first known Solar System object that has been detected at a distance that is more than 100 times farther than Earth is ...

Space Exploration Oct 24, 2018

Team makes breakthroughs studying Pluto orbiter mission

A Southwest Research Institute team using internal research funds has made several discoveries that expand the range and value of a future Pluto orbiter mission. The breakthroughs define a fuel-saving orbital tour and demonstrate ...

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