Emma Grey Ellis
Earth's size compared with the updated size of Pluto and its moon Charon.NASA When I was my 7-year-old daughter's age, I would have argued with you about the size ofPluto. I had a book with pictures of all the planets on a single page, and it definitely looked to me like the n...
000 larger than the sun is today. The expansion would consume Mercury and Venus, and most likely Earth as well. If our planet did survive, it would be so close to the expanded sun that everything on the surface would
It is almost as big as Pluto's moon Charon (which is probably also a large KBO). An even bigger KBO about 800 miles across was found late in 2002. Dubbed 2002 LM 60 , or Quaoar, it lies about 51 AU from the Sun (or about 21 AU beyond Neptune). To date, more than five ...
Triton, the largest moon of Neptune, is an interloper. Planetary scientists believe the moon originated far from its parent planet, in the distant Kuiper Belt, and was later sucked into Neptune’s orbit. “It’s really cool to think that there’s basically a captured Pluto orbiting Neptune,...
Why is the surface of Pluto's largest moon cracked andfracturing? There's something in the...Fedde, Corey
Pluto and Charon. Credit: NASA It's a long way out to the dwarf planet Pluto. So, just how fast could we get there? Pluto, the Dwarf planet, is an incomprehensibly long distance away. Seriously, it's currently more than 5 billion kilometers away from Earth. It challenges the imagina...
Virtually every planet in the solar system has moons. Earth has the moon, Mars has Phobos and Deimos, and Jupiter and Saturn have 67 and 62 officially named moons, respectively. Heck, even the recently-demoted dwarf planet Pluto has five confirmed moons – Charon, Nix, Hydra, Kerberos and ...