4. http://www.tunguska.ru/nc/nlc-luna/Schroeder_comments.pdf
... ATP1021 Title: comment on the paper by Dalin, Pertsev and Romejko " Significance of lunar impact on noctilucent clouds" ( revised version) Article Type: Research Paper Section/Category: Keywords: Noctilucent clouds moon influence mesosphere Manuscript ...
5. June Night Sky | Astronotes
... the тАШnight shinningтАЩ clouds of the evening twilight known as noctilucent clouds (NLCтАЩs).?а The best time to look out for ...
9. Astronaut Bio: Don Pettit (07/2012)
... included reduced gravity fluid flow and materials processing experiments onboard the NASA KC-135 airplane, atmospheric spectroscopy on noctilucent clouds seeded from sounding rockets, fumarole gas sampling from volcanoes and problems in detonation physics ...