Results 61 to 70 of about 2,637 (244)
Analyzing LDEX's Current Measurements in Lunar Orbit
The Planetary Science Journal, 2023 The Lunar Dust Experiment (LDEX) on board the Lunar Atmosphere and Dust Environment Explorer mission orbited the Moon from 2014 September to 2015 April and observed a dynamic, permanently present dust cloud produced by continual meteoroid bombardment. In
Edwin Bernardoni +2 more
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Journal of Field Robotics, EarlyView.ABSTRACT As a crucial puzzle piece of deep space exploration, exploring small bodies can provide significant scientific insights and valuable mineral resources. Unlike missions to the Moon and Mars, small‐body missions pose distinct technical challenges, including communication delays, weak gravity, and uncertain environments. This paper reviews a full
Xin Zhang +3 more
wiley +1 more source
Three dimensional atmospheric entry simulation of a high altitude cometary dustball meteoroid
, 2021 Aims. The break-up of a dustball meteoroid is investigated numerically based on fluid dynamics simulations of the meteoroid’s atmospheric entry flow.
L. Hulfeld, P. Jenny, S. Küchlin
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Science Education, EarlyView.ABSTRACT Over the past decades, science education research has extensively examined the role of metaphors in teaching and learning science. However, much of the existing research has focused on verbal manifestations of metaphors, thereby overlooking aspects of metaphors that may occur in non‐verbal form. This study reconceptualises metaphors as dynamic
Magdalena Kersting +2 more
wiley +1 more source
The structure of meteoroids [PDF]
Monthly Notices of the Royal Astronomical Society, 1984 Donnees d'observations obtenues au debut et a la fin des essaims meteoriques des Perseides, Geminid et Tawrid.
openaire +1 more source
Key Technical Fields and Future Outlooks of Space Manipulators: A Survey
SmartBot, EarlyView.This paper systematically reviews the technological development of space manipulators, emphasizing the unique challenges posed by space environments. It examines four areas: structural design, modeling, planning, and control, while introducing typical ground test platforms.
Gang Chen +12 more
wiley +1 more source
, 2018 МЕТЕОРО́ЇД За визначенням Міжнар. астроном. союзу, М. – твердий об'єкт, що рухається в міжпланет. просторі, розміром значно менший за астероїд, але суттєво більший за атом. Лондон. королів. астроном. товариство запропонувало ін. формулювання, згідно з яким М. – тіло діаметром від... ⚠️ Цей запис містить лише бібліографічні метадані.
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Odessa Astronomical Publications, 2020 The development of meteor radar research was stimulated during World War II by air defense requests to rule out false alarms of radars on meteoroid intrusions.
S V.v Kolomiyets +3 more
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Simulation of flight and destruction of the Beneov bolid [PDF]
Компьютерные исследования и моделирование, 2018 Comets and asteroids are recognized by the scientists and the governments of all countries in the world to be one of the most significant threats to the development and even the existence of our civilization.
V. A. Andruschenko +2 more
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Strategic Management Journal, EarlyView.Abstract Research Summary Despite the importance of resource reallocation in shaping a variety of strategic outcomes, strategy scholars have paid only limited attention to the processes by which firms reallocate their resources across successive systemic innovations.
Gino Cattani +2 more
wiley +1 more source