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This study describes the development and validation of a novel microgravity experimental platform that is mainly applied to small robots such as modular self-reconfigurable robots. This platform mainly consists of an air supply system, a…

Robotics · Computer Science 2025-04-29 Hang Luo , Nanlin Zhou , Haoxiang Zhang , Kai Han , Ning Zhao , Zhiyuan Yang , Jian Qi , Sikai Zhao , Jie Zhao , Yanhe Zhu

Multilinked aerial robot is one of the state-of-the-art works in aerial robotics, which demonstrates the deformability benefiting both maneuvering and manipulation. However, the performance in outdoor physical world has not yet been…

The Venus Express Radio Science Experiment (VeRa) was part of the scientific payload of the Venus Express (VEX) spacecraft and was targeted at the investigation of Venus' atmosphere, surface, and gravity field as well as the interplanetary…

Earth and Planetary Astrophysics · Physics 2022-12-23 Edoardo Gramigna , Marzia Parisi , Dustin Buccino , Luis Gomez Casajus , Marco Zannoni , Adrien Bourgoin , Paolo Tortora , Kamal Oudrhiri

We have studied the fascinating dynamics of the nearby Vela pulsar's nebula in a campaign comprising eleven 40ks observations with Chandra X-ray Observatory (CXO). The deepest yet images revealed the shape, structure, and motion of the…

High Energy Astrophysical Phenomena · Physics 2015-06-12 Martin Durant , Oleg Kargaltsev , George G. Pavlov , Julia Kropotina , Kseniya Levenfish

The knowledge of the Venus near-surface atmosphere is sparse. Few spacecrafts landed on the surface and measured winds with amplitudes below 1 m/s. The diurnal cycle of the wind amplitude and orientation is not known. Recent numerical…

Earth and Planetary Astrophysics · Physics 2025-10-20 Maxence Lefèvre , Sébastien Lebonnois , Aymeric Spiga , François Forget

Electric Vertical Takeoff and Landing (eVTOL) vehicles will open new opportunities in aviation. This paper describes the design and wind tunnel analysis of an eVTOL uncrewed aircraft system (UAS) prototype with a traditional aircraft wing,…

Robotics · Computer Science 2023-01-31 Akshay Mathur , Ella Atkins

Solar light gets scattered at cloud top level in Venus' atmosphere, in the visible range, which corresponds to the altitude of 67 km. We present Doppler velocity measurements performed with the high resolution spectrometer MTR of the Solar…

Earth and Planetary Astrophysics · Physics 2010-11-12 P. Gaulme , F. -X Schmider , C. Grec , A. Lopez Ariste , T. Widemann , B. Gelly

This paper presents pre-launch testing and calibration results for the SVOM/VT (Space-based Variable Objects Monitor, Visible Telescope) Flight Model (FM), validating its performance under simulated space conditions through thermal vacuum…

Sub-Neptunes (planets with radii between 2 and 4 R$_{\oplus}$) are abundant around M-dwarf stars, yet the atmospheric dynamics of these planets is relatively unexplored. In this paper, we aim to provide a basic underpinning of the dry…

Earth and Planetary Astrophysics · Physics 2022-03-04 Hamish Innes , Raymond T. Pierrehumbert

Aerial insects can effortlessly navigate dense vegetation, whereas similarly sized aerial robots typically depend on offboard sensors and computation to maintain stable flight. This disparity restricts insect-scale robots to operation…

Tried-and-true flapping wing robot simulation is essential in developing flapping wing mechanisms and algorithms. This paper presents a novel application-oriented flapping wing platform, highly compatible with various mechanical designs and…

Robotics · Computer Science 2023-03-09 Chen Qian , Yongchun Fang , Fan jia , Jifu Yan , Yiming Liang , Tiefeng Li

The composition of meteoritic material delivered to the terrestrial planets after the end of core formation as late accretion remains contentious. Because the evolution of Venus' atmospheric composition is likely to be less intricate than…

Earth and Planetary Astrophysics · Physics 2020-10-15 C. Gillmann , G. J. Golabek , S. N. Raymond , M. Schonbachler , P. J. Tackley , V. Dehant , V. Debaille

Wheeled ground robots are limited from exploring extreme environments such as caves, lava tubes and skylights. Small robots that utilize unconventional mobility through hopping, flying and rolling can overcome many roughness limitations and…

One of the striking features about Venus atmosphere is its temporal variability and dynamics, with a chaotic polar vortex, large-scale atmospheric waves, sheared features, and variable winds that depend on local time and possibly orographic…

Earth and Planetary Astrophysics · Physics 2020-03-05 A. Cardesin-Moinelo , G. Piccioni , A. Migliorini , D. Grassi , V. Cottini , D. Titov , R. Politi , F. Nuccilli , P. Drossart

Sulfur-bearing species play crucial roles in atmospheric physical-chemical processes, atmosphere-surface interactions, and the geological evolution of Venus. This chapter provides a comprehensive overview of (1) instrumental data on the…

Earth and Planetary Astrophysics · Physics 2026-05-20 Mikhail Zolotov

This document is the EnVision Venus orbiter proposal, submitted in October 2016 in response to ESA's M5 call for Medium-size missions for its Science Programme, for launch in 2029. Why are the terrestrial planets so different? Venus should…

We performed a unique Venus observation campaign to measure the disk brightness of Venus over a broad range of wavelengths in August and September 2020. The primary goal of the campaign is to investigate the absorption properties of the…

High spectral resolution observations of Venus were obtained with the TEXES instrument at NASA's Infrared Telescope Facility. These observations focus on a CO$_2$ absorption feature at 791.4 cm$^{-1}$ as the shape of this absorption feature…

Earth and Planetary Astrophysics · Physics 2022-07-26 Rohini S Giles , Thomas K Greathouse , Patrick G J Irwin , Thérèse Encrenaz , Amanda Brecht

Many observers in the past gave detailed descriptions of the telescopic aspect of Venus during its extremely rare transits across the Solar disk. In particular, at the ingress and egress, the portion of the planet's disk outside the Solar…

Earth and Planetary Astrophysics · Physics 2015-06-03 P. Tanga , Th. Widemann , B. Sicardy , J. M. Pasachoff , J. Arnaud , L. Comolli , A. Rondi , S. Rondi , P. Suetterlin

This paper presents a family of autonomous Unmanned Aerial Vehicles (UAVs) platforms designed for a diverse range of indoor and outdoor applications. The proposed UAV design is highly modular in terms of used actuators, sensor…