Results 71 to 80 of about 3,200,895 (194)
Life on Mars? The physiological perspective
Experimental Physiology, EarlyView.
Ronan M. G. Berg, Damian M. Bailey
wiley +1 more source
Bolide light curve systematics from 75 recovered meteorites
Meteoritics &Planetary Science, Volume 61, Issue 9, Page 2351-2392, September 2026.Abstract How does the energy deposition profile (light curve), deceleration, and penetration depth in Earth's atmosphere depend on asteroid composition and meteorite type? Here, we present the light curve and velocity profile of 75 bolides from camera‐documented meteorite falls.
Peter Jenniskens +3 more
wiley +1 more source
Risk Analysis, Volume 46, Issue 9, September 2026.ABSTRACT The Fermi paradox may partly reflect technological self‐destruction acting as a Great Filter during post‐industrial development. Because the empirical record consists of a single civilization observed over an eighty‐year nuclear age, the exercise reported here is best understood as a structured, historically anchored scenario analysis rather ...
Vincenzo Alfano
wiley +1 more source
Accretion and Uneven Depletion of the Main Asteroid Belt
The Planetary Science JournalThe main asteroid belt (MAB) is known to be primarily composed of objects from two distinct taxonomic classes, generically defined here as S- and C-complex.
Rogerio Deienno +5 more
doaj +1 more source
Experimental Physiology, Volume 111, Issue 9, Page 4179-4194, 1 September 2026.Abstract Despite exercise countermeasures to sustain health and performance in spaceflight, complete maintenance of muscle mass and functions in microgravity is still not possible for most astronauts. The principal cause of the limited effectiveness of existing exercise countermeasures is the difficulty in achieving full loading forces in space.
Alessandra Bosutti +6 more
wiley +1 more source
The Cumulation of Debris Clouds around a Fast-rotating Asteroid
The Astrophysical JournalThe rotational mass loss has been realized to be a prevalent mechanism to produce low-speed debris near the asteroid, and the size composition of the asteroid’s surface regolith has been closely measured by in situ explorations.
Chenyang Huang +5 more
doaj +1 more source
AerospaceAdvances in the field of asteroid dynamics continue to yield new knowledge regarding the behavior and characteristics of asteroids, allowing unprecedented levels of accuracy for predicting trajectories and contributing to impact avoidance strategies ...
Evie Kendal, Tony Milligan, Martin Elvis
doaj +1 more source
Advanced Materials Interfaces, Volume 13, Issue 16, 18 August 2026.Therapeutic nano‐drug delivery systems interact with cellular mitochondria in a multitude of ways. While the complexity of such interactions disrupts the mitochondrial electron transport chain and increases reactive oxygen species production, thereby contributing to nanoparticle toxicity, they also present unique theranostic opportunities in diseases ...
Sourav Bhattacharjee
wiley +1 more source
An Earth Encounter as the Cause of Chaotic Dynamics in Binary Asteroid (35107) 1991VH
The Planetary Science JournalAmong binary asteroids, (35107) 1991VH stands out as unique given the likely chaotic rotation within its secondary component. The source of this excited dynamical state is unknown. In this work, we demonstrate that a past close encounter with Earth could
Alex J. Meyer +6 more
doaj +1 more source
Earth's Minimoons: Opportunities for Science and Technology
Frontiers in Astronomy and Space Sciences, 2018 Twelve years ago the Catalina Sky Survey discovered Earth's first known natural geocentric object other than the Moon, a few-meter diameter asteroid designated 2006 RH120. Despite significant improvements in ground-based telescope and detector technology
Robert Jedicke +8 more
doaj +1 more source