The subject of this review is the atmospheric chemistry of the metals which ablate from
meteoroids in the Earth, s upper atmosphere. The major meteoric species are Fe, Mg, Si …

With the increasing accessibility of commercial space flight, the environmental impacts of
space launches will become increasingly significant in the coming years. Here, for the first …

Abstract Space transportation plays an important and growing role in Earth's economic
system. Rockets uniquely emit gases and particles directly into the middle and upper …

The Spatial Heterodyne Imager for Mesospheric Radicals (SHIMMER) was a high‐
resolution, near ultraviolet spectrometer that imaged the Earth's limb for 2.5 years between …

Polar mesospheric clouds (PMC), or noctilucent clouds, can be observed over high latitudes
with the naked eye from the ground or from space near the summer solstice. PMC are …

Noctilucent clouds (NLC) have been observed by a multicolor lidar in northern Norway (69°
N, 16° E). From three backscatter coefficients we calculate the parameters of a monomodal …

Rockets are the only direct anthropogenic emission sources into the upper atmosphere.
Gaseous rocket emissions include CO, N2, H2, H2O, and CO2, while solid rocket motors …

Unexpectedly strong winds/shears and fast meridional transport above the mesopause have
been revealed from previous rocket and satellite observations. Using Richardson number …

Recent advances in data processing from the Cloud Imaging and Particle Size (CIPS)
instrument on the NASA Aeronomy of Ice in the Mesosphere satellite allow observation of …

Dusty (or complex) plasmas in the Earth's middle and upper atmosphere ultimately result in
exotic phenomena that are currently forefront research issues in the space science …