منابع مشابه
Ten Billion Years of Galaxy Evolution
Observations in the Hubble Deep Fields have been used to study the evolution of galaxy morphology over time. The majority of galaxies with z < 1 are seen to be disk like, whereas most objects with z > 2 appear to be either chaotic or centrally concentrated “blobs”. Such blobs might be the ancestral objects of ellipticals or of galaxy bulges. About 1/3 of objects with z > 2 appear to be in the p...
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We present a brief discussion of the evolution of disk galaxy stellar masses, sizes, rotation velocities, and star formation rates over the last eight billion years. Recent observations have failed to detect significant evolution in the stellar mass Tully-Fisher relation, stellar mass–size relation, and the stellar mass function of disk galaxies. Yet, most z < 1 star formation is in disks, and ...
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In this study, functional evolution over ten years was evaluated in 13 patients with early emphysema. The diagnosis was made on the basis of a decrease in single-breath DCO (55 +/- 14 percent predicted, mean +/- 1 SD), a loss of elastic recoil (CL,st = 0.76 +/- 0.25 L/cm H2O), and only minor airway obstruction (FEV1 = 87 +/- 13 percent predicted, Sgaw = 0.09 +/- 0.04 cm H2O-1.s-1), and compatib...
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In this chapter I describe the motivation behind this Thesis work. I briefly review the main theoretical aspects and the very broad observational scenario, explaining the fundamental goals of this work and summarizing its most relevant contributions to the study of galaxy evolution. The review of previous work, both observational and theoretical, is by no means to be intended as exhaustive nor ...
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ژورنال
عنوان ژورنال: Publications of the Astronomical Society of the Pacific
سال: 2002
ISSN: 0004-6280,1538-3873
DOI: 10.1086/341708