Results 281 to 290 of about 171,503 (343)

Enhanced object detection in remote sensing images by applying metaheuristic and hybrid metaheuristic optimizers to YOLOv7 and YOLOv8. [PDF]

Sci Rep
Elgamily KM, Mohamed MA, Abou-Taleb AM, Ata MM.   +3 more
europepmc   +1 more source

A new perspective into molten corium concrete interaction for interpreting Fukushima Dai-Ichi terrace-shaped debris. [PDF]

Sci Rep
Pshenichnikov AP.
europepmc   +1 more source

Strong Nongravitational Accelerations and the Potential for Misidentification of Near-Earth Objects

Aster G. Taylor, Darryl Z. Seligman, Matthew J. Holman, Peter Vereš, Davide Farnocchia, Nikole K. Lewis, M. Micheli, Jason T. Wright   +7 more
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The Near-Earth Object Population

Icarus, 2000
We examine the dynamics of a sample of 117 near-Earth objects (NEOs) over a time scale of 60 Myr. We find that while 10–20% end their lifetimes by striking a terrestrial planet (usually Venus or Earth), more than half end their lives in a Sun-grazing ...
B. Gladman, P. Michel, C. Froeschlé
semanticscholar   +3 more sources

Binary Asteroids in the Near-Earth Object Population

Science, 2002
Radar images of near-Earth asteroid 2000 DP107 show that it is composed of an ∼800-meter-diameter primary and an ∼300-meter-diameter secondary revolving around their common center of mass. The orbital period of 1.755 ± 0.007 days and semimajor axis of 2620 ± 160 meters constrain the total mass of the system to 4.6 ± 0.5 × 10 11
J. Margot, M. Nolan, L. Benner, S. Ostro, R. Jurgens, J. Giorgini, M. Slade, Donald B. Campbell   +7 more
semanticscholar   +4 more sources