Please cite this book as: Strimas-Mackey, M., W.M. Hochachka, V. Ruiz-Gutierrez, O.J. Robinson, E.T. Miller, T. Auer, S. Kelling, D. Fink, A. Johnston. 2023. Best ...

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Abstract: This paper presents a tutorial on the Tracking, Telemetry, and Command (TT&C) for spacecraft and satellite missions. In particular, it provides a thorough summary of the design of the TT&C, ...

Abstract: Reliable and efficient trajectory generation methods are a fundamental need for autonomous dynamical systems. The goal of this article is to provide a comprehensive tutorial of three major ...

A very familiar bird over most of North America, running and hopping on lawns with an upright stance, often nesting on porches and windowsills. The American Robin's rich caroling is among the earliest ...

Learn the benefits and risks of options and how to start trading options Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Samantha (Sam) Silberstein, CFP®, CSLP®, ...

Thank you for your commitment and dedication to your Christmas Bird Count circles. This page provides materials and resources for compilers and regional editors to help plan and conduct your count. To ...

A rare species prized by birders in Southern Arizona has been unceremoniously stripped of its elegance, and at least one local expert isn’t happy about the change. A leading panel of taxonomists ...

More than 70 years after the Santa Cruz River through Tucson died, a little less than a mile will return to life Monday. Late that afternoon, Tucson Water officials will launch a “grand experiment,” ...