The Solar Mesosphere Explorer, or SME, was a NASA satellite mission launched in 1981 to study the Earth's mesosphere. The pronunciation of "mesosphere" can be tricky, as it includes the "s" and "p" sounds in the middle. The pronunciation would be /ˈsōlər ˌmɛzəˈsfir ɪkˈsplɔrər/ in IPA phonetic transcription. It's important to spell and pronounce scientific terms accurately to ensure clear communication between researchers and the public.
The Solar Mesosphere Explorer, also known as SME, is a scientific satellite designed to study and observe the mesosphere and lower thermosphere regions of Earth's atmosphere using solar and infrared radiation. It was specifically developed to gain insights into the chemical and physical processes occurring in these atmospheric layers.
This spacecraft carries a suite of advanced instruments and sensors, including spectrometers and detectors, which measure and analyze the various properties of the atmosphere. It focuses on detecting and studying the distribution of trace gases, aerosols, and temperature profiles in the mesosphere. By collecting data on these components, the SME seeks to enhance our understanding of the dynamics and composition of Earth's upper atmosphere.
The primary objective of SME is to investigate the energy transfer and atmospheric chemistry that takes place in the mesosphere due to solar radiation. It provides valuable data on the concentration and behavior of chemical compounds, including ozone, carbon dioxide, methane, and nitric oxide, among others. The satellite operates in a polar orbit, allowing it to cover a wide range of latitudes and study atmospheric phenomena under various conditions.
Through its observations and measurements, the Solar Mesosphere Explorer contributes to the advancement of atmospheric science and the global understanding of climate change. The data obtained from SME helps scientists improve climate models, predict atmospheric responses to solar activity, and monitor long-term changes in the atmosphere.