- May 11, 2022
- 1 min
In this month: July 2022
1st July 2013 Hippocamp, a moon of Neptune, is discovered. With a diameter of approximately 35 kilometres it is the smallest moon that orbits Neptune, far too small to have an atmosphere like other larger moons. Due to its small size it was completely missed by the Voyager 2 spacecraft when it was exploring the planet and its moons and wasn’t discovered until 2013 from images taken from the Hubble Space Telescope years earlier. The diagram below is courtesy NASA. It took