Along with Ceres and Pluto, there are three other known dwarf planets in the solar system – Haumea, Makemake and Eris
solar system
The gateway region is like a...donut that wraps around the inner solar system, containing many possible orbits within its thick ring
These early-stage projects could change how we explore the universe
The discovery indicates there was "a big shakeup" early in the solar system, plus there won't be any...manned mission to Uranus any time soon!
"It's so strange and exotic. We just think of it as this exotic, ocean world - it's a real outlier compared to the others"
It is 150 million km from the Sun
It will be humanity's farthest-ever encounter with another world
It is likely some 500 kilometres in diameter
It's showing the same signs that Voyager 1 did several years ago
NASA researchers are pretty sure that New Horizons, the probe that famously skimmed past Pluto in 2015, can see that boundary