Results 111 to 120 of about 24,212,222 (226)

The characteristic and size–frequency distribution of rocks at the Zhurong landing site, Mars [PDF]

open access: yes
The rock characteristic and size–frequency distribution (SFD) on Mars are important for understanding the geologic and geomorphic history of the surface, for evaluating the trafficability of roving, and for planning the potential infrastructure ...
Bo Zheng   +17 more
core   +1 more source

Acceleration of Pick‐Up Ions in the Martian Magnetosheath: A Tianwen‐1 Case Study

open access: yesJournal of Geophysical Research: Space Physics
This study delves into a Pick‐Up Ion (PUI) event captured by the Mars Ion and Neutral Particle Analyzer aboard Tianwen‐1, revealing a faster acceleration than expected within the Martian magnetosheath.
Fuhao Qiao   +12 more
semanticscholar   +1 more source

VLBI technique for the orbit determination of Tianwen-1 [PDF]

open access: yesSCIENTIA SINICA Physica, Mechanica & Astronomica, 2022
QingHui LIU   +8 more
openaire   +1 more source

Lost in Space: An Exploration of the Current Gaps in Space Law [PDF]

open access: yes, 2021
Since the 1960’s the international community has made huge advancements in technology and space exploration. However, since that time, the legal and regulatory system governing such advances and exploration has not matched the course.
Latimer Martinez, Katherine
core   +1 more source

A Methodological Framework for Parametric Combat Analysis [PDF]

open access: yes, 2022
This work presents a taxonomic structure for understanding the tension between certain factors of stability for game-theoretic outcomes such as Nash optimality, Pareto optimality, and balance optimality and then applies such game-theoretic concepts to ...
Hayhurst, Dustin L., Sr.
core   +1 more source

Enhancing the vertical resolution of lunar penetrating radar data using predictive deconvolution [PDF]

open access: yes
The Yutu-2 rover onboard the Chang’E-4 mission performed the first lunar penetrating radar detection on the farside of the Moon. The high-frequency channel presented us with many unprecedented details of the subsurface structures within a depth of ...
Chao Li, JinHai Zhang
core   +1 more source

Two‐Spacecraft Observations of Asymmetric Martian Bow Shock: Conjunctions of Tianwen‐1 and MAVEN

open access: yesJournal of Geophysical Research: Space Physics
The Martian bow shock has been extensively studied through magnetic field and plasma instrument observations from various Mars space missions. However, prior investigations primarily involve statistical analyses based on single spacecraft crossings ...
Long Cheng   +8 more
semanticscholar   +1 more source

University Wind Symphony (April 28, 2023) [PDF]

open access: yes, 2023
The Wind Symphony will present their second world premiere of the year with composer Armando Bayolo\u27s A History of Violence a new concerto for piano and winds. The program will also include music by composers Stacy Garrop, Jennifer Jolly, Omar Thomas,
John J. Cali School of Music
core   +1 more source

The payloads of planetary physics research onboard China’s First Mars Mission (Tianwen-1)

open access: yesEarth and Planetary Physics, 2020
WeiXing Wan   +4 more
doaj   +1 more source

Video Timeline Modeling For News Story Understanding

open access: yes, 2023
In this paper, we present a novel problem, namely video timeline modeling. Our objective is to create a video-associated timeline from a set of videos related to a specific topic, thereby facilitating the content and structure understanding of the story ...
Dai, Hanjun   +7 more
core  

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