noctilucent cloud in a sentence

Examples

1. Climate models predict that increased greenhouse gas emissions cause a cooling of the mesosphere, which would lead to more frequent and widespread occurrences of noctilucent clouds.
2. NASA reported that the light came from an artificial noctilucent cloud formed by the exhaust particles of the rocket's fourth stage at an altitude of about.
3. Chapman's role in the IGY and his support for amateur's work in auroras and noctilucent clouds, especially also with the Germans, has been discussed by Wilfried Schr�der.
4. The possibility that small particles left behind on the orbital path almost one hundred days after the nucleus has passed could form noctilucent clouds is also slim.
5. Also, some noctilucent clouds are made of smaller crystals, 30 nm or less, which are invisible to observers on the ground because they do not scatter enough light.
6. The first physical confirmation that water ice is indeed the primary component of noctilucent clouds came from the HALOE instrument on the Upper Atmosphere Research Satellite in 2001.
7. Blamont is credited with the discovery of Turbopause in 1959, the Interstellar wind in 1970, the Hydrogen envelope of comets in 1971 and the polar Noctilucent clouds in 1973.
8. Project PoSSUM, the first commercial suborbital research program, offers its own space training program supporting PoSSUM upper atmospheric and noctilucent cloud research campaigns that use manned commercial space vehicles.
9. "The most severe effect of entry through a noctilucent cloud would probably be the erosion of the thermal protection system during the most critical heating region, " the report said.
10. "' Noctilucent clouds "'are the highest clouds in Earth's atmosphere, being bright polar mesospheric clouds illuminated by the Arctic sun from below the horizon, between latitudes of 50?and 70?