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相关论文: Shaping Asteroids with Genetic Evolution (SAGE)

200 篇论文

This paper describes an Artificial Embryology method (called ``Epigenetic Tracking'') to generate predefined arbitrarily shaped 2-dimensional arrays of cells by means of evolutionary techniques. It is based on a model of development, whose…

适应与自组织系统 · 物理学 2008-05-19 Alessandro Fontana

The apparent magnitude of elongated small bodies is time-dependent over their rotation phase. Therefore, previously undiscovered aspherical minor planets may experience a shape-driven selection effect in systematic surveys versus their…

地球与行星天体物理 · 物理学 2023-03-15 W. Garrett Levine , Robert Jedicke

We present the results of the first-ever visible spectroscopic survey fully dedicated to the small (absolute magnitude H>20) near-Earth asteroid (NEA) population. Observations have been performed at the New Technology Telescope (NTT) of the…

Galaxy morphology is one of the most fundamental ways to describe galaxy properties, but the morphology we observe may be affected by wavelength and spatial resolution, which may introduce systematic bias when comparing galaxies at…

星系天体物理 · 物理学 2023-07-27 Yao Yao , Jie Song , Xu Kong , Guanwen Fang , Hong-Xin Zhang , Xinkai Chen

We updated the agent based Monte Carlo code HERITAGE that simulates human evolution within restrictive environments such as interstellar, sub-light speed spacecraft in order to include the effects of population genetics. We incorporated a…

科普物理 · 物理学 2021-02-03 F. Marin , C. Beluffi , F. Fischer

While deep learning approaches have shown remarkable performance in many imaging tasks, most of these methods rely on availability of large quantities of data. Medical image data, however, is scarce and fragmented. Generative Adversarial…

图像与视频处理 · 电气工程与系统科学 2022-06-07 Padmaja Jonnalagedda , Brent Weinberg , Jason Allen , Taejin L. Min , Shiv Bhanu , Bir Bhanu

We have combined the NEOWISE and Sloan Digital Sky Survey data to study the albedos of 24,353 asteroids with candidate taxonomic classifications derived using Sloan photometry. We find a wide range of moderate to high albedos for candidate…

地球与行星天体物理 · 物理学 2015-05-30 A. Mainzer , J. Masiero , T. Grav , J. Bauer , D. J. Tholen , R. S. McMillan , E. Wright , T. Spahr , R. M. Cutri , R. Walker , W. Mo , J. Watkins , E. Hand , C. Maleszewski

The purpose of this paper is to present a method of solving the Shr\"odinger Equation (SE) by Genetic Algorithms and Grammatical Evolution. The method forms generations of trial solutions expressed in an analytical form. We illustrate the…

神经与进化计算 · 计算机科学 2014-02-25 Khalid jebari , Mohammed Madiafi , Abdelaziz Elmoujahid

In the era of advanced electromagnetic and gravitational wave detectors, it has become increasingly important to effectively combine and study the impact of stellar evolution on binaries and dynamical systems of stars. Systematic studies…

太阳与恒星天体物理 · 物理学 2020-08-12 Poojan Agrawal , Jarrod Hurley , Simon Stevenson , Dorottya Szécsi , Chris Flynn

Gaia is an astrometric mission that will be launched in 2013 and set on L2 point of Lagrange. It will observe a large number of Solar System Objets (SSO) down to magnitude 20. The Solar System Science goal is to map thousand of Main Belt…

地球与行星天体物理 · 物理学 2016-08-30 D. Bancelin , D. Hestroffer , W. Thuillot

Knowledge of the interior density distribution of an asteroid can reveal its composition and constrain its evolutionary history. However, most asteroid observational techniques are not sensitive to interior properties. We investigate the…

地球与行星天体物理 · 物理学 2022-10-20 Jack T Dinsmore , Julien de Wit

Accurate reconstruction of global Sea surface temperature (SST), which dominates the air-sea coupling and global climate variability, underpins climate monitoring and prediction. Existing SST reconstruction products primarily provide one…

Satellites of asteroids have been discovered in nearly every known small body population, and a remarkable aspect of the known satellites is the diversity of their properties. They tell a story of vast differences in formation and evolution…

地球与行星天体物理 · 物理学 2016-08-31 Kevin J. Walsh , Seth A. Jacobson

Construction of the precise shape of an asteroid is critical for spacecraft operations as the gravitational potential is determined by spatial mass distribution. The typical approach to shape determination requires a prolonged mapping phase…

地球与行星天体物理 · 物理学 2022-03-15 Shankar Kulumani , Taeyoung Lee

Through multiple, small unmanned probes we can more efficiently capture an asteroid and return it to lunar orbit. The Asteroid Return and Exploration System (ARES) aims to make use of previously tested technology with the application of a…

空间物理 · 物理学 2014-10-08 Charles Domercant , Aiden Gonzalez

The classification of galaxies as spirals or ellipticals is a crucial task in understanding their formation and evolution. With the arrival of large-scale astronomical surveys, such as the Sloan Digital Sky Survey (SDSS), astronomers now…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Anusha Guruprasad

Context. To investigate the distribution of rotation periods of asteroids from different regions of the Solar System and distribution of diameters of near-Earth asteroids (NEAs). Aims. Verify if nonextensive statistics satisfactorily…

地球与行星天体物理 · 物理学 2012-05-29 Alberto S. Betzler , Ernesto P. Borges

In this paper we analyse capabilities of eclipse mapping technique, based on genetic algorithm optimization. To model of accretion disk we used the "fire-flies" conception. This model allows us to reconstruct the distribution of radiating…

天体物理学 · 物理学 2008-01-22 A. V. Halevin

We present a new method to obtain stellar properties for stars exhibiting solar-like oscillations in an easy, fast, and transparent way. The method, called Asteroseismology Made Easy (AME), can determine stellar masses, mean-densities,…

太阳与恒星天体物理 · 物理学 2014-07-02 M. Lundkvist , H. Kjeldsen , V. Silva Aguirre

Reliable estimation of stellar surface gravity (log $g$) for a large sample is crucial for evaluating stellar evolution models and understanding galactic structure; However, it is not easy to accomplish due to the difficulty in gathering a…