The two types of space radar are synthetic aperture radar (SAR) and radar altimeters. Synthetic Aperture Radar (SAR) uses the movement of the radar antenna over a target area to produce high-resolution images. It is capable of operating in all weather conditions and during the day and night, making it ideal for Earth observation, environmental monitoring and reconnaissance.
Radar altimeters measure the distance between the satellite and the Earth’s surface, providing precise data on surface elevations, ocean topography and ice thickness.
The two types of space can be classified as interior space and exterior space. Interior space refers to the region within the Earth’s atmosphere, including layers of the atmosphere such as the troposphere, stratosphere, mesosphere, and thermosphere. Space, on the other hand, begins at the Kármán Line, about 100 kilometers above sea level and extends outward.
Space includes the vast expanse beyond Earth’s atmosphere, encompassing the moon, planets, stars, galaxies, and the entire universe.
The two types of space probes are flyby probes and orbiters. Flyby probes are designed to scan their target and collect data during their brief encounter, transmitting information back to Earth as they continue on their trajectory. Examples include the Voyager probes, which have conducted flybys of several planets.
Orbiters, on the other hand, are designed to enter orbit around their target, allowing prolonged observation and data collection over a longer period of time. Notable examples of orbiters include the Mars Reconnaissance Orbiter and the Juno spacecraft orbiting Jupiter