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The Process of Star Formation
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This quantity is usually referred to as the Jeans mass, and it can be thought of as the minimum mass for a cloud to have its internal pressure balanced by gravity. So, what happens to a cloud that exceeds the Jeans mass? The cloud will be unstable to gravitational collapse, meaning that if some event can cause the cloud to ...
Gravitational Collapse: From Massive Stars to Planets : Ensenada, B.C...
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Jeans mass and depends more on opacity limit for fragmentation. However ...
Principles of Star Formation - Peter Bodenheimer - Google Books
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Understanding star formation is one of the key fields in present-day astrophysics. This book treats a wide variety of the physical processes involved, as well...
The Cambridge Handbook of Physics Formulas - Graham Woan, Professor...
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The Cambridge Handbook of Physics Formulas is a quick-reference aid for students and professionals in the physical sciences and engineering. It contains more...
From First Light to Reionization: The End of the Dark Agesgoogle.com
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where ρT = const we can obtain: MJ= 8.4~106M ⊙ „ M 106M⊙ «„ T T0 « 2 The baryonic mass is given by Mb = ΩbM/ΩM ≃ M. When the Jeans mass exceeds the ...
Particle and Astroparticle Physics - Utpal Sarkar - Google Books
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From superstring theory to models with extra dimensions to dark matter and dark energy, a range of theoretically stimulating ideas have evolved for physics...
Multiwavelength Mapping of Galaxy Formation and Evolution: ...google.com
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3 Linear Theory When the Jeans mass itself varies with time , linear gas fluctuations tend to be smoothed on a ( filtering ) scale that depends on the full ...
The Origin of Stars - Michael David Smith - Google Books
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Where do stars come from and how do they form? These are profound questions which link the nature of our Universe to the roots of mankind. Yet, until a recent...
Unity of Forces in the Universe - A. Zee - Google Books
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In the NR regime, / =26.6, and the Jeans mass falls as (1 +*)3'2 through the hierarchy of structural mass scales observed in the Universe until the present epoch, when it is 1.4x lO'm^"7'2 XM . (See Fig. 1.) When neutrinos are ER, but decoupled from matter, perturbations decay on all length scales smaller than the horizon.
Protostars and Planets V - Google Books
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Increasing discoveries of new planets beyond our solar system are invigorating the quest for new knowledge and understanding of the birth of stars and planets....
Principles of Star Formation - Seite Google Books-Ergebnisseitegoogle.com
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2.9), the thermal Jeans mass MJ from (2.17) is 104 Mˇ, and the magnetic Jeans mass from (2.22) is of the same order of magnitude.
The Initial Mass Function 50 Years Later - Google Books
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Theideatocelebrate50yearsoftheSalpeterIMFoccurredduringtherecent IAU General Assembly in Sydney, Australia. Indeed, it was from Australia that in July Ed...
Protostars and Planets V - Seite Google Books-Ergebnisseitegoogle.com
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This results in an average fragment mass that is on the order of the Jeans mass at the time of fragmentation ( e.g. , Klessen et al . , ; Klessen ...
The Initial Mass Function 50 Years Latergoogle.com
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The Jeans mass is therefore important at setting the scale of the initial frag- mentation Bate & Vine ( ) except with a Jeans mass of 5M .
The Origin of Stars - Seite Google Books-Ergebnisseitegoogle.com
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( ) The Jeans mass exceeds that contained within Bonnor - Ebert spheres with the same surface conditions . This reflects the fact that a Bonnor- Ebert ...
Turbulence and Magnetic Fields in Astrophysicsgoogle.com
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While the majority of massive cores are larger than their Jeans' mass, mJ, the probability that small cores are dense enough to collapse is determined by ...
From First Light to Reionization: The End of the Dark Ages - Massimo...
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This up-to-date and concise account of a critical period of the early universe directly links the latest theories and experiments. Targeted at cosmological...
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