Exoplanets, Planets, Solar System How can astronomers be sure that Pluto is larger than Eris? Could we get a different number for Eris’ size once it’s visited by a spacecraft?
Exoplanets, Planets, Robotic Spaceflight, Solar System New Horizons collects first science on a Kuiper Belt object past Pluto
Exoplanets, Planets, Robotic Spaceflight, Solar System Pluto’s interaction with the solar wind is unique, study finds
Exoplanets, Planets, Solar System Astronomers once thought Pluto’s atmosphere would condense down to the surface as it moved away from the Sun. Can that still be true, and if so, is that causing the surface features we now see?
Exoplanets, Planets, Robotic Spaceflight, Solar System “X” marks a curious corner on Pluto’s icy plains