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"Mars spacecraft"
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Mars up close : inside the Curiosity mission
\"National Geographic and science journalist Marc Kaufman combine inside stories, fascinating facts, and eye-popping pictures, some never before seen, of the red planet and NASA's groundbreaking Curiosity mission. Renowned author Kaufman spent two years embedded with the engineers and scientists at NASA's Jet Propulsion Laboratory, cheering on the rover's spine-tingling landing, learning the backstory of anticipated findings, and witnessing the inescapable frustrations that come from operating a $2.5-billion multitasking robot on a planet 35 million miles from Earth. With images never published before, and computer-enhanced with colors that make you want to spend your next vacation on Mars, this is the only book that explains everything, detail by detail and moment by moment, about the most ambitious space expedition the human race has ever undertaken.\"--Provided by publisher.
Book
Mars’ atmospheric history derived from upper-atmosphere measurements of 38Ar/36Ar
The history of Mars’ atmosphere is important for understanding the geological evolution and potential habitability of the planet. We determine the amount of gas lost to space through time using measurements of the upper-atmospheric structure made by the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft. We derive the structure of 38Ar/36Ar between the homopause and exobase altitudes. Fractionation of argon occurs as a result of loss of gas to space by pickup-ion sputtering, which preferentially removes the lighter atom. The measurements require that 66% of the atmospheric argon has been lost to space. Thus, a large fraction of Mars’ atmospheric gas has been lost to space, contributing to the transition in climate from an early, warm, wet environment to today’s cold, dry atmosphere.
Journal Article
Mars rover Curiosity : an inside account from Curiosity's chief engineer
In Mars Rover Curiosity: An Inside Account from Curiosity's Chief Engineer, Rob Manning, the project's chief engineer, tells of bringing the groundbreaking spacecraft to life. Manning and his team at NASA's Jet Propulsion Laboratory, tasked with designing a lander many times larger and more complex than any before, faced technical setbacks, fights over inadequate resources, and the challenges of leading an army of brilliant, passionate, and often frustrated experts.
Book
The Mars Atmosphere and Volatile Evolution (MAVEN) Mission
The MAVEN spacecraft launched in November 2013, arrived at Mars in September 2014, and completed commissioning and began its one-Earth-year primary science mission in November 2014. The orbiter’s science objectives are to explore the interactions of the Sun and the solar wind with the Mars magnetosphere and upper atmosphere, to determine the structure of the upper atmosphere and ionosphere and the processes controlling it, to determine the escape rates from the upper atmosphere to space at the present epoch, and to measure properties that allow us to extrapolate these escape rates into the past to determine the total loss of atmospheric gas to space through time. These results will allow us to determine the importance of loss to space in changing the Mars climate and atmosphere through time, thereby providing important boundary conditions on the history of the habitability of Mars. The MAVEN spacecraft contains eight science instruments (with nine sensors) that measure the energy and particle input from the Sun into the Mars upper atmosphere, the response of the upper atmosphere to that input, and the resulting escape of gas to space. In addition, it contains an Electra relay that will allow it to relay commands and data between spacecraft on the surface and Earth.
Journal Article
Curiosity : the story of a Mars rover
An illustrated nonfiction book about the search for life on Mars told from the unique perspective of NASA's Mars rover Curiosity, focusing on its engineering aspects.
Book
Exploring Magnetic Reconnection in the Collisional Ionosphere of Mars With MAVEN
Magnetic reconnection in collisional plasmas has been widely studied in solar and laboratory plasma disciplines, but in situ measurements in space plasmas have rarely been utilized to explore this reconnection regime. Here we study collisional effects on magnetic reconnection in the Martian ionosphere by analyzing in situ data obtained by the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft. A case study and statistical results demonstrate that current sheets are commonly observed in both collisionless and collisional regions in the Martian ionosphere. Meanwhile, reconnection ion jets become hardly detectable in collisional current sheets, suggesting suppression of reconnection outflows by ion‐neutral friction effects. MAVEN observations allow us to access multiple regimes of magnetic reconnection, thereby providing valuable opportunities for cross‐disciplinary studies of collisional reconnection.
Journal Article
Red rover : curiosity on Mars
\"Explores the vast, inhospitable landscape of Mars and the adventures of the little rover that calls the planet its home. Join Curiosity on its journey across the red planet in this innovative and dynamic nonfiction picture book.\"-- Publisher's description.
Book
The Imaging Ultraviolet Spectrograph (IUVS) for the MAVEN Mission
The Imaging Ultraviolet Spectrograph (IUVS) is one of nine science instruments aboard the Mars Atmosphere and Volatile and EvolutioN (MAVEN) spacecraft. MAVEN, launched in November 18, 2013 and arriving at Mars in September 2014, is designed to explore the planet’s upper atmosphere and ionosphere and examine their interaction with the solar wind and solar ultraviolet radiation. IUVS is one of the most powerful spectrographs sent to another planet, with several key capabilities: (1) separate Far-UV & Mid-UV channels for stray light control, (2) a high resolution echelle mode to resolve deuterium and hydrogen emission, (3) internal instrument pointing and scanning capabilities to allow complete mapping and nearly-continuous operation, and (4) optimization for airglow studies.
Journal Article
Birthday on Mars!
\"Mars is our closest neighbor, and a little robot named Curiosity is investigating the planet for us. Join for a tour of the place this rover calls home. Get to know Mars through eye-catching illustrations of an alien landscape and the adorable robot in charge of exploring it all. And this rover's birthday is a perfect time to celebrate curiosity\"--Provided by publisher.
BOOK
Global circulation of Mars’ upper atmosphere
The thermosphere of Mars is the interface through which the planet is continuously losing its reservoir of atmospheric volatiles to space. The structure and dynamics of the thermosphere is driven by a global circulation that redistributes the incident energy from the Sun. We report mapping of the global circulation in the thermosphere of Mars with the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft. The measured neutral winds reveal circulation patterns simpler than those of Earth that persist over changing seasons. The winds exhibit pronounced correlation with the underlying topography owing to orographic gravity waves.
Journal Article