Results 41 to 50 of about 92 (90)
Kineochelins—A New Group of Siderophores From an Antarctic Bacterium
Microbial Biotechnology, Volume 19, Issue 6, June 2026.Genome‐guided analysis of an Antarctic Actinokineospora strain led to the discovery of kineochelins, a new group of siderophores involved in iron sequestration and microbial competition. Kineochelin production inhibits co‐occurring bacteria and clinically relevant yeasts, highlighting Antarctic microorganisms as promising sources of bioactive natural ...
Stanislava Kralova +12 more
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Life on Mars? The physiological perspective
Experimental Physiology, EarlyView.
Ronan M. G. Berg, Damian M. Bailey
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A Deep Search for Venus Co-orbital Asteroids
, 2021 Venus has recently been discovered to share its orbit with a ring of dust. This circumsolar ring of dust was imaged independently by two spacecraft: HELIOS A/B [1] and STEREO A/B [2]. HELIOS was able to estimate the radial and latitudinal extent of the ring by flying through it, while STEREO imaged its structure from 1 AU. Earlier work by Pokorný &
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An International Asteroid Search Campaign
Astronomy Education Review, 2008 J. Patrick Miller +7 more
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Asteroid Thermal Radiation Inspired Search
The thermal radiation process of an asteroid exhibits complex dynamics involving energy absorption, storage, conduction, and re-release. Its dynamics are influenced by multiple factors, including rotation, surface roughness, thermal inertia, and asymmetric radiation.
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A Heuristic Search Algorithm for Asteroid Tour Missions
, 2018 Since the discovery of Ceres, asteroids have been of immense scientific interest and intrigue. They hold answers to many of the fundamental questionsabout the formation and evolution of the Solar System. Therefore, a missionsurveying the asteroid belt with close encounter of carefully chosen asteroidswould be of immense scientific benefit.
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Search for asteroid 1911 MT (719), Albert
Lick Observatory Bulletins, 1913 Heber Doust Curtis, Eli Stuart Haynes
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Search for Aqueously Altered Materials on Asteroids
Icarus, 1998Abstract The analysis of visible and near-infrared reflectance spectra of C-class objects has revealed the presence of features that appear to indicate a history of aqueous alteration on their surfaces. This result can provide constraints on our understanding of the early Solar System.
Barucci, M. A. +6 more
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Search techniques for near-Earth asteroids
Vistas in Astronomy, 1990Knowledge of the near-earth asteroids (Apollo, Amor, and Aten groups) has increased enormously over the last 10 to 15 years. This has been due in large part to the success of programs that have systematically searched for these objects. These programs have been motivated by the apparent relationships of the near-earth asteroids to terrestrial impact ...
E.F. Helin, R.S. Dunbar
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Comets and asteroids: searches and scares
Advances in Space Research, 2004Abstract Concern that the Earth might be struck by a comet, with potentially devasting consequences, dates back some two centuries. With the growing appreciation in the twentieth century that asteroidal impacts are also a danger, search programs have been devised in the hope of discovering a specific hazard at least decades, and probably centuries or
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