English Epigeus (crater) Cited by user Franjo Josip on 01 Jun 2020 Epigeus is the largest known impact crater on on Jupiter's Galilean satellite Ganymede, with a diameter of 343 km.
English Solid nitrogen Cited by user Citation bot on 06 Mar 2019 Solid nitrogen was first made in 1884, by first liquefying hydrogen with evaporating liquid nitrogen, and then allowing the liquid hydrogen to freeze the nitrogen.
English Nitrogen clathrate Cited by user Cwmhiraeth on 31 May 2016 Nitrogen Clathrate or nitrogen hydrate is a clathrate consisting of ice with regular crystalline cavities that contain nitrogen molecules.