Results 101 to 110 of about 1,381 (128)

Clumpy Irregular Galaxies

1983
Our planet Earth revolves around the Sun, 150 million kilometers away. Our Sun is just one of the 100 billions or so stars which swarm across our Galaxy, a vast system with diameter around 100 000 light-years.* Our Galaxy is one of the billion other galaxies which our most powerful telescopes are able to detect in the depths of space, at distances up ...
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Abundances in dwarf irregular galaxies

Publications of the Astronomical Society of the Pacific, 1986
The results of abundance studies of dwarf irregular galaxies and similar objects are reviewed with special attention to variations in the CNO element group. Observations of the forbidden N II and semiforbidden C III lines in the most metal-poor galaxy known, IZw 18, are presented for the first time and CNO abundances are derived via a photoionization ...
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Chemical Evolution of Irregular Galaxies

2011
In this chapter, we describe the properties of irregular galaxies and the proposed chemical evolution models. Irregular galaxies are generally small and rather simple objects with low metallicity and large gas content, suggesting that they are either young objects or have undergone discontinuous star formation activity (bursts) or a continuous but not ...
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A Survey of Evolutionary Algorithms for Multi-Objective Optimization Problems With Irregular Pareto Fronts

IEEE/CAA Journal of Automatica Sinica, 2021
Yicun Hua, Qiqi Liu, Kuangrong Hao
exaly  

Irregular Microdome Structure‐Based Sensitive Pressure Sensor Using Internal Popping of Microspheres

Advanced Functional Materials, 2022
Young Jung, Jungrak Choi, Wookjin Lee
exaly  

Two-dimensional irregular packing problems: A review

Frontiers in Mechanical Engineering, 2022
Jingwen Hu, Fenghe Wu, Qingjin Peng
exaly  

Efficient sampling of the irregular probability distributions of geotechnical parameters for reliability analysis

Structural Safety, 2023
Shui-Hua Jiang, Ze Zhou Wang, Dian-Qing Li   +2 more
exaly  

The irregular galaxy M82

Nature, 1988
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Irregular Galaxy

2004
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On the complexity of determining the irregular chromatic index of a graph

Journal of Discrete Algorithms, 2015
Olivier Baudon, Julien Bensmail, Eric Sopeña   +2 more
exaly