Explore topic-wise InterviewSolutions in Space Science.

INFO: Full form for TPM is Terminal Phase Midcourse in Space Science category
TPM also has other full forms in other categories mentioned below.

INFO: Full form for TPM is Transfer Phase Midcourse in Space Science category
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INFO: Full form for TPM is Terminal Phase Maneuver in Space Science category
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INFO: Full form for MMOS is Multimode Optical Sensor in Space Science category
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INFO: Full form for ETM is Elapsed Time Meter in Space Science category
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INFO: Full form for TCMS is Test, Control, and Monitoring System in Space Science category
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INFO: Full form for PCCP is Preliminary Contract Change Proposal in Space Science category
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INFO: Full form for SASP is Science and Applications Space Platform in Space Science category
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INFO: Full form for HSF is Hypergot Servicing Facility in Space Science category
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INFO: Full form for HSF is Human Space Flight in Space Science category
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The present (or here and now) is the time that is associated with the events perceived directly and in the first time, not as a recollection (perceived more than once) or a speculation (predicted, hypothesis, uncertain). It is a period of time between the past and the future, and can vary in meaning from being an instant to a day or longer.

It is sometimes represented as a hyperplane in space-time, typically called "now", although modern physics demonstrates that such a hyperplane cannot be defined uniquely for observers in relative motion. The present may also be viewed as a duration (see specious present).

INFO: Full form for FML is Fault Message Line in Space Science category
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INFO: Full form for FML is Final Materials List in Space Science category
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INFO: Full form for GAIN is Graphic Aids for Investigating Networks in Space Science category
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INFO: Full form for OSF is Ordnance Storage Facility in Space Science category
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INFO: Full form for OSF is Office of Space Flight in Space Science category
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INFO: Full form for DADS is Dual Air Density Satellite in Space Science category
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INFO: Full form for SOCS is Subsystem Operation and Checkout System in Space Science category
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INFO: Full form for FSE is File Server Ethernet in Space Science category
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INFO: Full form for FSE is Flight Simulation Engineer in Space Science category
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INFO: Full form for LSG is Light To Solar Gain in Space Science category
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Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data. In applying statistics to a scientific, industrial, or social problem, it is conventional to begin with a statistical population or a statistical model to be studied. Populations can be diverse groups of people or objects such as "all people living in a country" or "every atom composing a crystal". Statistics deals with every aspect of data, including the planning of data collection in terms of the design of surveys and experiments.

When census data cannot be collected, statisticians collect data by developing specific experiment designs and survey samples. Representative sampling assures that inferences and conclusions can reasonably extend from the sample to the population as a whole. An experimental study involves taking measurements of the system under study, manipulating the system, and then taking additional measurements using the same procedure to determine if the manipulation has modified the values of the measurements. In contrast, an observational study does not involve experimental manipulation.

Two main statistical methods are used in data analysis: descriptive statistics, which summarize data from a sample using indexes such as the mean or standard deviation, and inferential statistics, which draw conclusions from data that are subject to random variation (e.g., observational errors, sampling variation). Descriptive statistics are most often concerned with two sets of properties of a distribution (sample or population): central tendency (or location) seeks to characterize the distribution's central or typical value, while dispersion (or variability) characterizes the extent to which members of the distribution depart from its center and each other. Inferences on mathematical statistics are made under the framework of probability theory, which deals with the analysis of random phenomena.

A standard statistical procedure involves the collection of data leading to test of the relationship between two statistical data sets, or a data set and synthetic data drawn from an idealized model. A hypothesis is proposed for the statistical relationship between the two data sets, and this is compared as an alternative to an idealized null hypothesis of no relationship between two data sets. Rejecting or disproving the null hypothesis is done using statistical tests that quantify the sense in which the null can be proven false, given the data that are used in the test. Working from a null hypothesis, two basic forms of error are recognized: Type I errors (null hypothesis is falsely rejected giving a "false positive") and Type II errors (null hypothesis fails to be rejected and an actual relationship between populations is missed giving a "false negative"). Multiple problems have come to be associated with this framework, ranging from obtaining a sufficient sample size to specifying an adequate null hypothesis.

Measurement processes that generate statistical data are also subject to error. Many of these errors are classified as random (noise) or systematic (bias), but other types of errors (e.g., blunder, such as when an analyst reports incorrect units) can also occur. The presence of missing data or censoring may result in biased estimates and specific techniques have been developed to address these problems.

Status (Latin plural: statūs), is a state, condition, or situation, and may refer to:

INFO: Full form for LAPS is Left Aft Propulsion System (subsystem) in Space Science category
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INFO: Full form for LAPS is Logistics Analysis and Provisioning System in Space Science category
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INFO: Full form for SRDH is System Requirements Definition Handbook in Space Science category
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INFO: Full form for SRDH is Subsystems Requirement Definition Handbook in Space Science category
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The atmospheric infrared sounder (AIRS) is one of six instruments flying on board NASA's Aqua satellite, launched on May 4, 2002. The instrument is designed to support climate research and improve weather forecasting.

Working in combination with its partner microwave instrument, the Advanced Microwave Sounding Unit (AMSU-A), AIRS observes the global water and energy cycles, climate variation and trends, and the response of the climate system to increased greenhouse gases. AIRS uses infrared technology to create three-dimensional maps of air and surface temperature, water vapor, and cloud properties. AIRS can also measure trace greenhouse gases such as ozone, carbon monoxide, carbon dioxide, and methane.

AIRS and AMSU-A share the Aqua satellite with the Moderate Resolution Imaging Spectroradiometer (MODIS), Clouds and the Earth's Radiant Energy System (CERES), and the Advanced Microwave Scanning Radiometer-EOS (AMSR-E). Aqua is part of NASA's "A-train," a series of high-inclination, Sun-synchronous satellites in low Earth orbit designed to make long-term global observations of the land surface, biosphere, solid Earth, atmosphere, and ocean.

AIRS data is free and available to the public through the Goddard Earth Sciences Data Information and Services Center.NASA's Jet Propulsion Laboratory in Pasadena, California, manages AIRS for NASA's Science Mission Directorate in Washington, D.C.

INFO: Full form for ATCS is Active Thermal Control System in Space Science category
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INFO: Full form for DARA is Deutsches Agentur Fur Raumfhartangelegenheiten in Space Science category
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INFO: Full form for NSR is National Slow Rate in Space Science category
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INFO: Full form for NSR is Normal Slow Rate Maneuver in Space Science category
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INFO: Full form for NSR is Nominal Slow Rate in Space Science category
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