The Radiation Belt Storm Probes Mission, part of NASA's Living With a Star program, will provide unprecedented insight into the physical dynamics of the radiation belts. (Image credit: NASA) Twin NASA probes exploring the harsh radiation belts around Earth have a new name honoring the late ...
Speaking of intelligence, throughout history, the narrative around intelligence and capability has often been skewed by racial biases. There was a time when white-dominated sports were considered out of reach for people of African descent. However, when these barriers were finally breached, athletes ...
An ap- propriate mood of contemplation with reason focused on individual parts will disclose that this universe is comparable to a house furnished with all articles necessary for human beings. The sky is like a canopy; the earth is spread like a carpet, while the stars set in stratum upon ...
* < 4.0 associated with successive enhancements of solar wind density solar wind density enhancementouter radiation beltMeV electronsoutward radial diffusionEMIC wave scattering lossWe report an unusual non-storm erosion event of outer zone MeV electron distribution during three successive solar wind ...
NASA invites people of all ages to join the lunar exploration journey with an opportunity to send their names to the moon aboard the Lunar Reconnaissance Orbiter, or LRO, spacecraft.
During the March 1991 event electrons were injected well into the inner zone on a timescale of minutes, producing a new stably trapped radiation belt population that persisted for approx. 10 years. More recently, at the end of solar cycle 23, a number of violent geomagnetic disturbances ...
The timescale for subsequent pitch angle diffusion of the new belt, calculated using quasi-linear bounce-averaged diffusion coefficients, is in agreement with the observed delay in the appearance of peak fluxes at SAMPEX in low Earth orbit. We also present techniques for modeling radiation belt ...
The satellite orbit with initial altitude 350–600 km and inclination 70° crosses the inner radiation belt in South Atlantic Anomaly at L-shell ~1.2. The trapped electrons and positrons were selected on the basis of a trajectory simulation in the Earth magnetic field. Features of the energy ...
The modified restricted three body problem with additional gravitational potential from the belt is used as the model for the Sun-Earth system. The effect of radiation pressure of the Sun and oblate shape of the Earth are considered. The point L 2 is asymptotically stable up to a specific ...
In comparison, higher frequency (0.3–0.6 Hz) radiation appears to be from the down-dip part around the margin of large slip areas, which has been loaded and presents positive coseismic shear stress changes. We propose an asperity model to interpret this Nepal earthquake sequence and compare ...