Explore topic-wise fullforms in Space Science

Major is a military rank of commissioned officer status, with corresponding ranks existing in many military forces throughout the world.

Lower may refer to:

INFO: Full form for LOV is Loss of Visibility in Space Science category
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INFO: Full form for MAA is Mechanical Arm Assembly in Space Science category
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INFO: Full form for MAA is Maximum Authorized Altitude in Space Science category
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INFO: Full form for MEE is Mission Essential Equipment in Space Science category
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INFO: Full form for LSE is Launch Support Equipment in Space Science category
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INFO: Full form for LSE is Life Support Equipment in Space Science category
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INFO: Full form for MAV is Mars Ascent Vehicle in Space Science category
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INFO: Full form for LPW is Lumens Per Watt in Space Science category
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INFO: Full form for MHF is Medium High Frequency in Space Science category
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INFO: Full form for IVL is Lntervatometer in Space Science category
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The International System of Units, known by the international abbreviation SI in all languages: 125 : iii and sometimes pleonastically as the SI system, is the modern form of the metric system: 117 :41 and the world's most widely used system of measurement.: 123 :252 Established and maintained by the General Conference on Weights and Measures (CGPM), it is the only system of measurement with an official status in nearly every country in the world, employed in science, technology, industry, and everyday commerce. The SI comprises a coherent system of units of measurement starting with seven base units, which are the second (symbol s, the unit of time), metre (m, length), kilogram (kg, mass), ampere (A, electric current), kelvin (K, thermodynamic temperature), mole (mol, amount of substance), and candela (cd, luminous intensity). The system can accommodate coherent units for an unlimited number of additional quantities. These are called coherent derived units, which can always be represented as products of powers of the base units. Twenty-two coherent derived units have been provided with special names and symbols. The seven base units and the 22 coherent derived units with special names and symbols may be used in combination to express other coherent derived units. Since the sizes of coherent units will be convenient for only some applications and not for others, the SI provides twenty prefixes which, when added to the name and symbol of a coherent unit produce twenty additional (non-coherent) SI units for the same quantity; these non-coherent units are always decimal (i.e. power-of-ten) multiples and sub-multiples of the coherent unit. The SI is intended to be an evolving system; units and prefixes are created and unit definitions are modified through international agreement as the technology of measurement progresses and the precision of measurements improves.

Since 2019, the magnitudes of all SI units have been defined by declaring that seven defining constants have certain exact numerical values when expressed in terms of their SI units. These defining constants are the speed of light in vacuum, c, the hyperfine transition frequency of caesium ΔνCs, the Planck constant h, the elementary charge e, the Boltzmann constant k, the Avogadro constant NA, and the luminous efficacy Kcd. The nature of the defining constants ranges from fundamental constants of nature such as c to the purely technical constant Kcd. Prior to 2019, h, e, k, and NA were not defined a priori but were rather very precisely measured quantities. In 2019, their values were fixed by definition to their best estimates at the time, ensuring continuity with previous definitions of the base units.

The current way of defining the SI is a result of a decades-long move towards increasingly abstract and idealised formulation in which the realisations of the units are separated conceptually from the definitions. A consequence is that as science and technologies develop, new and superior realisations may be introduced without the need to redefine the unit. One problem with artefacts is that they can be lost, damaged, or changed; another is that they introduce uncertainties that cannot be reduced by advancements in science and technology. The last artefact used by the SI was the International Prototype of the Kilogram, a cylinder of platinum-iridium.

The original motivation for the development of the SI was the diversity of units that had sprung up within the centimetre–gram–second (CGS) systems (specifically the inconsistency between the systems of electrostatic units and electromagnetic units) and the lack of coordination between the various disciplines that used them. The General Conference on Weights and Measures (French: Conférence générale des poids et mesures – CGPM), which was established by the Metre Convention of 1875, brought together many international organisations to establish the definitions and standards of a new system and to standardise the rules for writing and presenting measurements. The system was published in 1960 as a result of an initiative that began in 1948, so it is based on the metre–kilogram–s reference

INFO: Full form for ISU is Instrument Switching Unit in Space Science category
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INFO: Full form for FSU is Freon Servicing Unit in Space Science category
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INFO: Full form for AOH is Assembly Operations Handbook in Space Science category
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The Lunar Roving Vehicle (LRV) is a battery-powered four-wheeled rover used on the Moon in the last three missions of the American Apollo program (15, 16, and 17) during 1971 and 1972. It is popularly called the Moon buggy, a play on the term dune buggy.

Built by Boeing, each LRV has a mass of 460 pounds (210 kg) without payload. It could carry a maximum payload of 1,080 pounds (490 kg), including two astronauts, equipment, and lunar samples, and was designed for a top speed of 8 miles per hour (13 km/h), although it achieved a top speed of 11.2 miles per hour (18.0 km/h) on its last mission, Apollo 17.

Each LRV was carried to the Moon folded up in the Lunar Module's Quadrant 1 Bay. After being unpacked, each was driven an average of 30 km, without major incident. These three LRVs remain on the Moon.

INFO: Full form for LRV is Launch Readiness Verification in Space Science category
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INFO: Full form for LRV is Long Range Video in Space Science category
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INFO: Full form for OOT is Out of Tolerance in Space Science category
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INFO: Full form for YSC is Yearly Spares Cost in Space Science category
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INFO: Full form for LFR is Low Frequency Radio in Space Science category
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INFO: Full form for LCG is Liquid Cooled Garment in Space Science category
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INFO: Full form for AFO is Announced Flight Opportunity in Space Science category
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INFO: Full form for AFO is Announcement of Flight Opportunities in Space Science category
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A power inverter, or inverter, is a power electronic device or circuitry that changes direct current (DC) to alternating current (AC). The resulting AC frequency obtained depends on the particular device employed. Inverters do the opposite of "converters" which were originally large electromechanical devices converting AC to DC.

The input voltage, output voltage and frequency, and overall power handling depend on the design of the specific device or circuitry. The inverter does not produce any power; the power is provided by the DC source.

A power inverter can be entirely electronic or may be a combination of mechanical effects (such as a rotary apparatus) and electronic circuitry.Static inverters do not use moving parts in the conversion process.

Power inverters are primarily used in electrical power applications where high currents and voltages are present; circuits that perform the same function for electronic signals, which usually have very low currents and voltages, are called oscillators. Circuits that perform the opposite function, converting AC to DC, are called rectifiers.

Inhibitor or inhibition may refer to:

INFO: Full form for IFO is Information Flight Office in Space Science category
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A risk retention group (RRG) in business economics is an alternative risk transfer entity created by the federal Liability Risk Retention Act (LRRA). RRGs must form as liability insurance companies under the laws of at least one state—its charter state or domicile. The policyholders of the RRG are also its owners and membership must be limited to organizations or persons engaged in similar businesses or activities, thus being exposed to the same types of liability. Most RRGs are regulated as captive insurance companies. However, RRGs domiciled in states without captive law are regulated as traditional insurance companies.

A risk retention group is a corporation or limited liability association formed under the laws of any state for the primary purpose of assuming liability exposures on behalf of its members. Members of the group must be engaged in similar activities or related with respect to liability exposures by virtue of any related or common business exposure, trade, product, service, or premise. Members must have an ownership interest in the group and only members may benefit from the group. Risk retention groups only apply to liability loss exposures.

RRGs provide their members with the following benefits:

INFO: Full form for FRB is Fuel Reduction Burn in Space Science category
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INFO: Full form for FRB is Failure Review Board in Space Science category
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INFO: Full form for TEB is Technical Evaluation Board in Space Science category
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INFO: Full form for TOW is Tank and Orbiter Weight in Space Science category
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Toggle may refer to:

INFO: Full form for CKT is Centikelvin Thermometer in Space Science category
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INFO: Full form for MSME is Medical, Space, and Mission Electronics in Space Science category
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INFO: Full form for UCC is Universal Checkout Console in Space Science category
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