3 ms·

It is nice and all, but these two moons are pretty small, just 30 and 40 km radius. For comparison our moon has a radius of 1700 km.

• ryan_j_naughton 7y ago
  This is bc our moon is abnormally large. We're almost a binary planet with our moon bc of it's size in comparison to earth.
  • whamlastxmas 7y ago
    I never knew to be thankful that we have a big ol moon in the sky
    • macintux 7y ago
      There’s been speculation, as I recall, that we have the moon to thank for intelligent life. Some references: https://www.scientificamerican.com/article/moon-life-tides/ https://www.scientificamerican.com/article/moon-life-tides/ https://www.npr.org/2011/11/18/142512088/is-a-moon-necessary-for-a-planet-to-support-life https://www.npr.org/2011/11/18/142512088/is-a-moon-necessary...
  • Sharlin 7y ago
    Relative to Earth’s size, sure, but all the giant planets in the solar system have several large spherical moons, hundreds or thousands of km in diameter. These two rocks are small by any planet’s standards.
    • onlyrealcuzzo 7y ago
      Wait. That would mean there are moons twice as big as Earth in our solar system. Jupiter has one that's bigger than Mercury, but still almost 10-times smaller than Earth.
      • dmurray 7y ago
        It does not mean that. Mercury is 5,000 km in diameter.