Results 121 to 130 of about 158,325 (313)

Terrestrial planet formation from lost inner solar system material. [PDF]

open access: yesSci Adv, 2021
Burkhardt C   +6 more
europepmc   +1 more source

Life after shock: the mission from Mars to Earth [PDF]

open access: yes, 2006
Extract from introduction: The minerals of the Martian meteorites collected so far indicate an exposure to shock waves in the pressure range of 5 to 55 GPa [1].
Cockell, C. S.   +7 more
core  

On The Effect of Giant Planets on the Scattering of Parent Bodies of Iron Meteorite from the Terrestrial Planet Region into the Asteroid Belt: A Concept Study

open access: yes, 2012
In their model for the origin of the parent bodies of iron meteorites, Bottke et al proposed differentiated planetesimals that were formed in the region of 1-2 AU during the first 1.5 Myr, as the parent bodies, and suggested that these objects and their ...
Bland   +19 more
core   +1 more source

Research Progress on Atmospheric Turbulence Perception and Correction Based on Adaptive Optics and Deep Learning

open access: yesAdvanced Photonics Research, EarlyView.
This work presents a systematic review of atmospheric turbulence fundamentals, including theoretical formulations and adaptive optics‐based mitigation strategies. This includes an in‐depth examination of the devices, theories, and methodologies associated with traditional correction approaches.
Qinghui Liu   +5 more
wiley   +1 more source

Multimodal Locomotion: Next Generation Aerial–Terrestrial Mobile Robotics

open access: yesAdvanced Intelligent Systems, EarlyView., 2023
Aerial–terrestrial robots can achieve efficient energy consumption and robust environmental interaction by adding morphological features, adapting forms for locomotion transitions, and integrating multiple platforms. This next generation of mobile robots advances real‐world robotic deployment for operations with complex tasks and tackle environments ...
Jane Pauline Ramirez, Salua Hamaza
wiley   +1 more source

Selective Synthesis of Oligosaccharides by Mechanochemical Hydrolysis of Chitin over a Carbon‐Based Catalyst

open access: yesAngewandte Chemie, Volume 135, Issue 3, January 16, 2023., 2023
An activated carbon catalyst having weak acid sites hydrolyzes chitin to chitin‐oligosaccharides selectively in the presence of mechanical milling. Our system preferentially cleaves large molecules over small oligomers, thus maximizing the selectivity and yield of chitin‐oligosaccharides.
Hirokazu Kobayashi   +4 more
wiley   +2 more sources

Terrestrial Zone Debris Disk Candidates in h and chi Persei

open access: yes, 2007
We analyze 8 sources with strong mid-infrared excesses in the 13 Myr-old double cluster h and chi Persei. New optical spectra and broadband SEDs (0.36-8 mu_m) are consistent with cluster membership. We show that material with T ~ 300-400 K and Ld/Lstar ~
Balog, Zoltan   +4 more
core   +1 more source

Optical Wireless Communications with Metasurfaces: Current Status and Potential for Intelligent Communications

open access: yesAdvanced Photonics Research, EarlyView.
Optical wireless communications (OWCs) provide a promising alternative to spectrum‐congested microwave wireless communications. Recently, the use of metasurfaces with sub‐wavelength features for dynamic beam steering, beam manipulation, and spatial or optical‐angular‐momentum mode generation, conversion, and multiplexing in OWCs is proposed and ...
Ke Wang   +7 more
wiley   +1 more source

In situ evidence of the magnetospheric cusp of Jupiter from Juno spacecraft measurements

open access: yesNature Communications
The magnetospheric cusp connects the planetary magnetic field to interplanetary space, offering opportunities for charged particles to precipitate to or escape from the planet.
Y. Xu   +15 more
doaj   +1 more source

Home - About - Disclaimer - Privacy