Results 151 to 160 of about 1,938 (262)

Unraveling the Fine‐Scale Tapestry of Solar Wind at 1AU

Geophysical Research Letters, Volume 53, Issue 13, 16 July 2026.
Abstract Solar wind is a complex network of distinct magnetic flux tubes, each contained and separated by a current sheet. In this study, more than 50,000 current sheets in the solar wind are identified and characterized for the first time, using multi‐point Cluster observations during solar minimum and maximum intervals.
M. Akhavan‐Tafti, S. Kumar, A. Szabo, B. Grison   +3 more
wiley   +1 more source

A Comprehensive Approach to Pulse Modulation for Attitude Control with Thrusters Subject to Switching Restrictions [PDF]

, 2005
A pulse modulation scheme based on two modulation curves is proposed for applications in spacecraft attitude control using thrusters which may be subject to switching restrictions.
Bals, Johann, Kienitz, Karl Heinz
core  

Electromagnetic Ion Cyclotron Waves in the Initial Phase of Geomagnetic Storms

Geophysical Research Letters, Volume 53, Issue 13, 16 July 2026.
Abstract Using simultaneous magnetic field observations from 10 satellites and an automated detection algorithm, we identify broad regions of electromagnetic ion cyclotron (EMIC) wave activity during the initial phases of geomagnetic storms between September 2015 and October 2019.
Taylor R. Whitney Aegerter, Lauren W. Blum   +1 more
wiley   +1 more source

Is the Magnetic Field Line Curvature Really Important for Energetic Electron Losses From the Radiation Belt?

Geophysical Research Letters, Volume 53, Issue 13, 16 July 2026.
Abstract Recently, Hua et al. (2026, https://doi.org/10.1029/2025GL120881) combined observations during a 4‐day storm period with numerical simulations and concluded that the abrupt electron loss in the field‐line‐curvature scattering (FLCS) region played a leading role in shaping the outer boundary of radiation belt (RB); the authors conjectured that ...
V. A. Sergeev, N. A. Tsyganenko
wiley   +1 more source

Combined optical line-of-sight and crosslink radiometric navigation for distributed deep-space systems. [PDF]

Sci Rep, 2023
Casini S, Turan E, Cervone A, Monna B, Visser P.   +4 more
europepmc   +1 more source

MMS Observations of the Energetic Particles Within Kelvin‐Helmholtz Waves at the Boundary of the 10 May 2024 Coronal Mass Ejection (CME)

Geophysical Research Letters, Volume 53, Issue 13, 16 July 2026.
Abstract On 10 May 2024, Earth was hit by a CME that drove the largest geomagnetic storm in 20 years. Multi‐spacecraft observations previously showed that the ∼100 nT north‐south IMF bz ${b}_{z}$ variation was driven by Kelvin‐Helmholtz waves with wavelength ∼250 RE ${R}_{E}$ and reconnection jets in the ±z $\pm z$‐direction (Nykyri, 2024a, https://doi.
Katariina Nykyri, Neetasha Arya, Scott Boardsen, Guan Le, Harri Laakso, Lynn Wilson, Xuanye Ma, Katherine Holland, Brandon Burkholder, Leon Ofman, Kyoung‐Joo Hwang, Dinesh Radhakrishnan, Shiva Kavosi, Daniel Gershman, Christine Gabrielse, Barbara Giles, Stephen Fuselier, Jim Burch   +17 more
wiley   +1 more source

Design and Dynamic Control: A Free-Flying Space Robot Inspired by Water Striders. [PDF]

Biomimetics (Basel), 2023
Sai H, Xia C, Xu Z, Li H.
europepmc   +1 more source

Adaptive Control for Gravitational Wave Detection Formation Considering Time-Varying Communication Delays. [PDF]

Sensors (Basel), 2023
Zhang Y, Liu Y, Zhang J, Lu Z, Yang J.
europepmc   +1 more source

Dual-comb absolute ranging reaches orbit. [PDF]

Light Sci Appl
Ma Y, Gu Y, Zhou S, Shi L, Xie Y, Wu G.
europepmc   +1 more source

Continuous Low-Thrust Maneuver Planning for Space Gravitational Wave Formation Reconfiguration Based on Improved Particle Swarm Optimization Algorithm. [PDF]

Sensors (Basel), 2023
Lu Z, Wang J, Lian X, Zhang J, Zhang Y, Yang J.   +5 more
europepmc   +1 more source