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SuperCam
SuperCam is a suite of remote-sensing instruments for the Mars 2020 ''Perseverance'' rover mission that performs remote analyses of rocks and soils with a camera, two lasers and four spectrometers to seek organic compounds that could hold biosignatures of past microbial life on Mars, if it ever existed there. SuperCam was developed in collaboration between the Research Institute in Astrophysics and Planetology () of the University of Toulouse in France, the French Space Agency (CNES), Los Alamos National Laboratory, the University of Hawaii and the University of Malaga in Spain. The Principal Investigator is Roger Wiens from Los Alamos National Laboratory. SuperCam is an improved version of the successful ChemCam instruments of the ''Curiosity'' rover that have been upgraded with two different lasers and detectors. SuperCam is used in conjunction with the AEGIS (Autonomous Exploration for Gathering Increased Science) targeting system, a program in which Vandi Verma, NASA roboticis ...
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SuperCam Callibration Target
SuperCam is a suite of remote-sensing instruments for the Mars 2020 ''Perseverance'' rover mission that performs remote analyses of rocks and soils with a camera, two lasers and four spectrometers to seek organic compounds that could hold biosignatures of past microbial life on Mars, if it ever existed there. SuperCam was developed in collaboration between the Research Institute in Astrophysics and Planetology () of the University of Toulouse in France, the French Space Agency (CNES), Los Alamos National Laboratory, the University of Hawaii and the University of Malaga in Spain. The Principal Investigator is Roger Wiens from Los Alamos National Laboratory. SuperCam is an improved version of the successful ChemCam instruments of the ''Curiosity'' rover that have been upgraded with two different lasers and detectors. SuperCam is used in conjunction with the AEGIS (Autonomous Exploration for Gathering Increased Science) targeting system, a program in which Vandi Verma, NASA roboticis ...
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Perseverance (rover)
''Perseverance'', nicknamed ''Percy'', is a car-sized Mars rover designed to explore the Jezero crater on Mars as part of NASA's Mars 2020 mission. It was manufactured by the Jet Propulsion Laboratory and launched on July 30, 2020, at 11:50 UTC. Confirmation that the rover successfully landed on Mars was received on February 18, 2021, at 20:55 UTC. As of , ''Perseverance'' has been active on Mars for sols ( Earth days, or ) since its landing. Following the rover's arrival, NASA named the landing site Octavia E. Butler Landing. ''Perseverance'' has a similar design to its predecessor rover, ''Curiosity'', although it was moderately upgraded. It carries seven primary payload instruments, nineteen cameras, and two microphones. The rover also carried the mini-helicopter '' Ingenuity'' to Mars, an experimental aircraft and technology testbed that made the first powered flight on another planet on April 19, 2021. As of December 22, 2022, it has made 37 successful flights. '' ...
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Vandi Verma
Vandana "Vandi" Verma is a space roboticist and engineer at NASA's Jet Propulsion Laboratory, known for driving the Mars rovers, notably ''Curiosity'' and ''Perseverance'', using software including PLEXIL programming technology that she co-wrote and developed. Biography Verma was born and grew up partly in Halwara, India; her father was a pilot in the Indian Air Force. She gained her first qualification, a bachelor's degree in electrical engineering, at Punjab Engineering College in Chandigarh, India. She went on to gain a master's in robotics from Carnegie Mellon University (CMU) followed by a PhD in robotics from Carnegie Mellon in 2005, with a thesis entitled ''Tractable Particle Filters for Robot Fault Diagnosis''. At CMU, she developed in interest in robotics in unknown environments. She was involved in a 3-year astrobiology experimental station in the Atacama desert. The desert was chosen because of the similarities between its hostile environment and the surface of Mars. S ...
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Chemistry And Camera Complex
Chemistry and Camera complex (ChemCam) is a suite of remote sensing instruments on Mars for the Curiosity (rover), ''Curiosity'' rover. As the name implies, ChemCam is actually two different instruments combined as one: a laser-induced breakdown spectroscopy (LIBS) and a Remote Micro Imager (RMI) telescope. The purpose of the LIBS instrument is to provide elemental compositions of rock and soil, while the RMI will give ChemCam scientists high-resolution images of the sampling areas of the rocks and soil that LIBS targets. The LIBS instrument can target a rock or soil sample from up to away, vaporizing a small amount of it with about 30 5-nanosecond pulses from a 1067 Nanometre, nm infrared laser and then observing the spectrum of the light emitted by the vaporized rock. Overview ChemCam has the ability to record up to 6,144 different wavelengths of ultraviolet, visible, and infrared light. Detection of the ball of luminous plasma is done in the visible, near-UV and near-infr ...
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List Of Rocks On Mars
This is an alphabetical list of named rocks (and meteorites) found on Mars, by mission. This list is a sampling of rocks viewed, and is not an exhaustive listing. A more complete listing may be found on the various NASA mission web sites. This listing does ''not'' include Martian meteorites found on Earth. Names for Mars rocks are largely unofficial designations used for ease of discussion purposes, as the International Astronomical Union's official Martian naming system declares that objects smaller than are not to be given official names. Because of this, some less significant rocks seen in photos returned by Mars rovers have been named more than once, and others have even had their names changed later due to conflicts or even matters of opinion. Often rocks are named after the children or family members of astronauts or NASA employees. The name ''Jazzy'', for example, was taken from a girl named Jazzy who grew up in Grand Junction, CO, USA. Her father worked for NASA and cont ...
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Springer-Verlag
Springer Science+Business Media, commonly known as Springer, is a German multinational publishing company of books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing. Originally founded in 1842 in Berlin, it expanded internationally in the 1960s, and through mergers in the 1990s and a sale to venture capitalists it fused with Wolters Kluwer and eventually became part of Springer Nature in 2015. Springer has major offices in Berlin, Heidelberg, Dordrecht, and New York City. History Julius Springer founded Springer-Verlag in Berlin in 1842 and his son Ferdinand Springer grew it from a small firm of 4 employees into Germany's then second largest academic publisher with 65 staff in 1872.Chronology
". Springer Science+Business Media.
In 1964, Springer expanded its business internationally, o ...
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Laser-induced Breakdown Spectroscopy
Laser-induced breakdown spectroscopy (LIBS) is a type of atomic emission spectroscopy which uses a highly energetic laser pulse as the excitation source. The laser is focused to form a plasma, which atomizes and excites samples. The formation of the plasma only begins when the focused laser achieves a certain threshold for optical breakdown, which generally depends on the environment and the target material. 2000s developments From 2000 to 2010, the U.S. Army Research Laboratory (ARL) researched potential extensions to LIBS technology, which focused on hazardous material detection. Applications investigated at ARL included the standoff detection of explosive residues and other hazardous materials, plastic landmine discrimination, and material characterization of various metal alloys and polymers. Results presented by ARL suggest that LIBS may be able to discriminate between energetic and non-energetic materials. Research In 2000, broadband high-resolution spectrometers wer ...
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Plasma (physics)
Plasma () 1, where \nu_ is the electron gyrofrequency and \nu_ is the electron collision rate. It is often the case that the electrons are magnetized while the ions are not. Magnetized plasmas are ''anisotropic'', meaning that their properties in the direction parallel to the magnetic field are different from those perpendicular to it. While electric fields in plasmas are usually small due to the plasma high conductivity, the electric field associated with a plasma moving with velocity \mathbf in the magnetic field \mathbf is given by the usual Lorentz force, Lorentz formula \mathbf = -\mathbf\times\mathbf, and is not affected by Debye shielding. Mathematical descriptions To completely describe the state of a plasma, all of the particle locations and velocities that describe the electromagnetic field in the plasma region would need to be written down. However, it is generally not practical or necessary to keep track of all the particles in a plasma. Therefore, plasma physicist ...
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Infrared Spectroscopy
Infrared spectroscopy (IR spectroscopy or vibrational spectroscopy) is the measurement of the interaction of infrared radiation with matter by absorption, emission, or reflection. It is used to study and identify chemical substances or functional groups in solid, liquid, or gaseous forms. It can be used to characterize new materials or identify and verify known and unknown samples. The method or technique of infrared spectroscopy is conducted with an instrument called an infrared spectrometer (or spectrophotometer) which produces an infrared spectrum. An IR spectrum can be visualized in a graph of infrared light absorbance (or transmittance) on the vertical axis vs. frequency, wavenumber or wavelength on the horizontal axis. Typical units of wavenumber used in IR spectra are reciprocal centimeters, with the symbol cm−1. Units of IR wavelength are commonly given in micrometers (formerly called "microns"), symbol μm, which are related to the wavenumber in a reciprocal way. A com ...
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Reflectance Difference Spectroscopy
Reflectance difference spectroscopy (RDS) is a spectroscopic technique which measures the difference in reflectance of two beams of light that are shone in normal incident on a surface with different linear polarizations. It is also known as reflectance anisotropy spectroscopy (RAS). It is calculated as: : RDS= 2 \frac, r \in \mathbb r_ and r_ are the reflectance in two different polarizations. The method was introduced in 1985 for the study optical properties of the cubic semiconductors silicon and germanium. Due to its high surface sensitivity and independence of ultra-high vacuum, its use has been expanded to in situ monitoring of epitaxial growth or the interaction of surfaces with adsorbates. To assign specific features in the signal to their origin in morphology and electronic structure, theoretical modelling by density functional theory Density-functional theory (DFT) is a computational quantum mechanical modelling method used in physics, chemistry and materials s ...
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Photodiodes
A photodiode is a light-sensitive semiconductor diode. It produces current when it absorbs photons. The package of a photodiode allows light (or infrared or ultraviolet radiation, or X-rays) to reach the sensitive part of the device. The package may include lenses or optical filters. Devices designed for use specially as a photodiode use a PIN junction rather than a p–n junction, to increase the speed of response. Photodiodes usually have a slower response time as their surface area increases. A photodiode is designed to operate in reverse bias. A solar cell used to generate electric solar power is a large area photodiode. Photodiodes are used in scientific and industrial instruments to measure light intensity, either for its own sake or as a measure of some other property (density of smoke, for example). A photodiode can be used as the receiver of data encoded on an infrared beam, as in household remote controls. Photodiodes can be used to form an optocoupler, allowing tran ...
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