Results 121 to 130 of about 1,504 (195)

Enhancing Mars Gravity Field Solutions with China’s Tianwen-1 Tracking Data

open access: yesThe Astrophysical Journal
Abstract The Tianwen-1 (TW1) mission, which successfully entered Mars's orbit in 2021, provides a valuable data set for enhancing the understanding of Mars’s gravity field. The highly elliptical near-polar orbit of the TW1 orbiter offers unique sensitivity to long-wavelength gravity signals, complementing the contributions of low ...
Shangbiao Sun   +5 more
openaire   +2 more sources

AMBISI CHINA DALAM PENINGKATAN KEKUATAN GEOPOLITIK INDO-PASIFIK MELALUI CHINA'S SPACE PROGRAM PERIODE 2018-2024 [PDF]

open access: yes
China has launched various space initiatives and projects that reflect its long-term strategy to strengthen its position on the global stage. The space project initiated by China is called China’s Space Program.
Nawa, Ahmad Sabiqun
core  

Optical design of a camera system for lunar rover swarm [PDF]

open access: yes
openAi giorni nostri, gli elementi chimici meglio noti come terre rare sono sempre più richiesti per diverse applicazioni tecnologiche. Data la difficoltà nel reperirli sulla Terra, l'estrazione di questi elementi da altri corpi celesti, in particolare
SAMBO, MATTIA
core  

Kit Marte: guia para fazer um mapa tátil da superfície marciana [PDF]

open access: yes
Unavailable.O trabalho original, Tateando Marte, foi desenvolvido por estudantes de graduação da Universidade Federal do Rio de Janeiro (UFRJ), dentro do projeto de extensão do Observatório do Valongo, Universo Acessível e deu origem a um livro falado ...
Alvarenga, Maria Clara Ferreira   +6 more
core  

Strategi dan Upaya Tiongkok dalam Menandingi Pengaruh Astropolitik Amerika Serikat di Antariksa (2021-2025) [PDF]

open access: yes
Persaingan antara dua kekuatan besar ini semakin intensif seiring meningkatnya kepentingan strategis antariksa dalam dimensi keamanan nasional, ekonomi, dan prestise global.
Sumarauw, Stefanly Mikhael Meyner Yudha
core  

Pancreatico-pleural fistula in chronic pancreatitis: A case report. [PDF]

open access: yesMedicine (Baltimore)
Qiu W, Li L, Fang J, Wang J, Lai T.
europepmc   +1 more source

Bow shock oscillations of Mars under weakly disturbed solar wind conditions. [PDF]

open access: yesNat Commun
Cheng L   +15 more
europepmc   +1 more source

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