Tag: Space
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What is ADEOS (Advanced Earth Observing Satellite)?
Advanced Earth Observing Satellite (ADEOS) is a Japanese satellite program developed by Japan Aerospace Exploration Agency (JAXA) to monitor Earth’s environment from space. ADEOS was Japan’s first major international satellite dedicated to Earth observation. The ADEOS is also known as “MIDORI” which is a Japanese word that means “Green”. MIDORI was launched from Tanegashima Space…
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What are Pulse Tube Cryocoolers?
Pulse tube cryocoolers are refrigeration devices that achieve cryogenic temperatures (below 123 K) without moving parts in the cold region, making them reliable and low-maintenance solutions for various applications in science and industry. They are particularly useful in fields such as aerospace, medical imaging, and superconducting technologies. Pulse tube cryocoolers operate on the principle of…
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What are Stirling Cryocoolers?
Stirling cryocoolers are advanced refrigeration systems designed to achieve cryogenic temperatures, typically below 120 Kelvin (-153.15°C). They operate based on the Stirling cycle, which involves cyclic compression and expansion of a working gas (usually helium) to produce cooling. These cryocoolers are known for their high efficiency, reliability, and ability to achieve very low temperatures, making…
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What is CALIPSO (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite)?
The CALIPSO mission (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations) represents a collaboration between NASA and the French space agency CNES. Launched on April 28, 2006, the satellite was conceived to enhance the understanding of the role clouds and aerosols play in Earth’s climate system and air quality. Aerosols tiny particles like dust, smoke, and…
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What is Cryogenic Temperature?
Cryogenic temperature refers to extremely low temperatures, typically below 120 Kelvin (-153.15°C), where materials exhibit unique physical properties that are not observed at higher temperatures. These properties include superconductivity, where certain materials conduct electricity without resistance; superfluidity, where fluids flow without viscosity; and significant changes in mechanical and electrical properties of materials. The study and…
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What is Joint Polar Satellite System (JPSS)?
The Joint Polar Satellite System (JPSS) is an advanced environmental satellite program developed by the National Oceanic and Atmospheric Administration (NOAA) in partnership with NASA. JPSS is a series of polar-orbiting satellites designed to monitor Earth’s atmosphere, oceans, and land surface with high precision. JPSS represents the next generation of polar-orbiting satellites that provide critical…
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Mobile User Objective System (MUOS)
A major development effort in the design of the Mobile User Objective System (MUOS) is the waveform used in software defined radios (SDR) to provide terminal and manpack UHF communication radios. Due to the complexity of using Spectrally Adaptive Wideband Code Division Multiple Access (SA-WCDMA) in the MUOS environment, Satellite Link Emulator test systems were…
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NASA Space Standards
NASA (National Aeronautics and Space Administration) has developed a wide range of standards to ensure space missions’ safety, reliability, and success. These standards cover various aspects of space exploration, spacecraft design, human spaceflight, security, hardware, environmental considerations, etc. Given below are the common NASA space standards along with their purposes:- Standard Name Purpose NASA-EEE-INST-001 Guidelines…
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European Space Standards
European Space Agency (ESA) has developed space standards in Europe. These standards cover a wide range of aspects related to space missions, space systems, and space technology. Standard Name Purpose ECSS-E-ST-10 Framework for system engineering processes in space missions. ECSS-E-ST-20 Framework for environmental and electromagnetic compatibility (EMC) requirements for space missions. ECSS-E-ST-30 Framework for electrical…