Permafrost

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• Interceptor: In space and astronautical engineering, an interceptor is a spacecraft designed to approach and destroy or disable an enemy spacecraft or missile. Interceptors are typically equipped with advanced sensors, propulsion systems, and weapons, s ... Read More >>
• INS: Inertial Navigation System (INS) is a navigation aid that uses a computer, motion sensors (accelerometers), rotation sensors (gyroscopes) and occasionally magnetic sensors (magnetometers) to continuously calculate by dead reckoning the posi ... Read More >>
• Silicate Minerals: Silicate minerals are a group of minerals that contain silicon and oxygen as their two major components. They are the most common minerals found in the Earth's crust and are important in the formation of rocks. Silicate minerals can be clas ... Read More >>