Two nearly-identically sized worlds — Eris and Pluto — float distantly in the same frozen region of our outer solar system. A NASA spacecraft has visited Pluto, but not Eris, and each is so distant ...

On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system. Eris is just slightly smaller than Pluto, and it orbits the sun about three times farther ...

A team co-led by Southwest Research Institute found evidence for hydrothermal or metamorphic activity deep within the icy dwarf planets Eris and Makemake (artistic illustration). Located in the Kuiper ...

For More Webcasts: http://www.nasm.si.edu/webcasts/archive.cfm?siref=YouTube&video=PlutoErisDwarfPlanets Pluto, Eris, and the Dwarf Planets of the Outer Solar System ...

Nearly a century after Pluto’s discovery, astronomers are still hunting for mysterious planets beyond Neptune - including a ...

A team looking at the dynamics of objects in the Kuiper belt, the ring-shaped region of icy bodies well beyond the orbit of Neptune, believe they have found evidence for a "very old, undisturbed ...

PASADENA, Calif.–Die-hard Pluto fans still seeking redemption for their demoted planet have cause for despair this week. New data shows that the dwarf planet Eris is 27 percent more massive than Pluto ...

NASA’s Hubble Space Telescope has teamed up with the W.M. Keck Observatory to precisely measure the mass of Eris, the largest member of a new class of dwarf planets in our solar system. Eris is 1.27 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new image shows the exposed heart of a distant galaxy in stunning detail, demonstrating the ...

Full Video- http://www.youtube.com/watch?v=WHNO079G1i8 Pluto, Eris, and the Dwarf Planets of the Outer Solar System Exploring Space Lecture webcast live on Tuesday ...

SwRI scientists used data from the James Webb Space Telescope to model the subsurface geothermal processes that could explain how methane ended up on the surfaces of Eris and Makemake, two dwarf ...