540 Protostars PPTs View free & download

High Resolution Submm Observations of Massive Protostars PowerPoint PPT Presentation

High Resolution Submm Observations of Massive Protostars - High Resolution Submm Observations of Massive Protostars Crystal Brogan (NRAO/NAASC) T. R. Hunter (NRAO), R. Indebetouw (UVa), Y. L. Shirley (U. of Arizona), C. J ...

High Resolution Submm Observations of Massive Protostars Crystal Brogan (NRAO/NAASC) T. R. Hunter (NRAO), R. Indebetouw (UVa), Y. L. Shirley (U. of Arizona), C. J ...

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Jets, Disks, and Protostars PowerPoint PPT Presentation

Jets, Disks, and Protostars - Singular isothermal spheres have constant accretion rates ... Differential rotation stabilizes Jeans instability ... Jeans mass drops, hydrost. equil. reached ...

Singular isothermal spheres have constant accretion rates ... Differential rotation stabilizes Jeans instability ... Jeans mass drops, hydrost. equil. reached ...

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Formation of Primordial Protostars The Final Chapter PowerPoint PPT Presentation

Formation of Primordial Protostars The Final Chapter - Formation of Primordial Protostars. The Final Chapter. Naoki ... Collision Induced Emission. During collisions, a collision. pair acts as a super-molecule' ...

Formation of Primordial Protostars. The Final Chapter. Naoki ... Collision Induced Emission. During collisions, a collision. pair acts as a super-molecule' ...

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ORBITAL MOTIONS IN BINARY AND MULTIPLE PROTOSTARS PowerPoint PPT Presentation

ORBITAL MOTIONS IN BINARY AND MULTIPLE PROTOSTARS - Located at Taurus at 140 pc. Bolometric luminosity of 30 Lsun. Embedded in dense core (1000 AU) ... as circular polarization characteristics of southern source ...

Located at Taurus at 140 pc. Bolometric luminosity of 30 Lsun. Embedded in dense core (1000 AU) ... as circular polarization characteristics of southern source ...

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Protostars or Young Stellar Objects (YSO's) ... 'Live hard PowerPoint PPT Presentation

Protostars or Young Stellar Objects (YSO's) ... 'Live hard - Protostars or Young Stellar Objects (YSO's) ... 'Live hard, die young, leave a good looking corpse' Peeling off to the Giant Phase ...

Protostars or Young Stellar Objects (YSO's) ... 'Live hard, die young, leave a good looking corpse' Peeling off to the Giant Phase ...

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High Resolution 4'7 m KeckNIRSPEC Spectra of Protostars PowerPoint PPT Presentation

High Resolution 4'7 m KeckNIRSPEC Spectra of Protostars - High Resolution 4.7 m Keck/NIRSPEC Spectra of Protostars. R=25,000 in 0.43' wide ... cannot observe sources without optical guide star closeby (4 arcmin), i.e. ...

High Resolution 4.7 m Keck/NIRSPEC Spectra of Protostars. R=25,000 in 0.43' wide ... cannot observe sources without optical guide star closeby (4 arcmin), i.e. ...

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From Pre-Stellar Cores to Protostars: The Initial Conditions of Star Formation PowerPoint PPT Presentation

From Pre-Stellar Cores to Protostars: The Initial Conditions of Star Formation - From Pre-Stellar Cores to Protostars: The Initial Conditions of Star Formation Andre P., Ward-Thompson D., Barsony M., 2000, in Protostars and Planets IV, ed. V ...

From Pre-Stellar Cores to Protostars: The Initial Conditions of Star Formation Andre P., Ward-Thompson D., Barsony M., 2000, in Protostars and Planets IV, ed. V ...

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Star Formation and Protostars at High Angular Resolution with the SMA PowerPoint PPT Presentation

Star Formation and Protostars at High Angular Resolution with the SMA - Fredrik Sch ier (Stockholm), Ewine van Dishoeck (Leiden), ... and the PROSAC team. ... Other species such as CH3OH may have their origin in the circumstellar disk...

Fredrik Sch ier (Stockholm), Ewine van Dishoeck (Leiden), ... and the PROSAC team. ... Other species such as CH3OH may have their origin in the circumstellar disk...

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From PreStellar Cores to Protostars: The Initial Conditions of Star Formation - Andre P., Ward-Thompson D., Barsony M., 2000, in Protostars and Planets IV, ... Introduction: Stages of low-mass ... SCUBA on JCMT (submm) IRAM (mm) 10/18/09 ...

Andre P., Ward-Thompson D., Barsony M., 2000, in Protostars and Planets IV, ... Introduction: Stages of low-mass ... SCUBA on JCMT (submm) IRAM (mm) 10/18/09 ...

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From Clouds to Cores to Protostars and Disks New Insights from Numerical Simulations PowerPoint PPT Presentation

From Clouds to Cores to Protostars and Disks New Insights from Numerical Simulations - Ideal MHD. Movie: Time evolution of density ... Two-Fluid Thin-Disk MHD Equations (some higher order terms dropped) ... MHD Model of Gravitational Instability ...

Ideal MHD. Movie: Time evolution of density ... Two-Fluid Thin-Disk MHD Equations (some higher order terms dropped) ... MHD Model of Gravitational Instability ...

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Life Cycle of a Star PowerPoint PPT Presentation

Life Cycle of a Star - Life Cycle of a Star Waves, Atoms and Space Stage 1 Protostars Protostars Huge clouds of gas (hydrogen) in which stars are made. Many thousands of times bigger than ...

Life Cycle of a Star Waves, Atoms and Space Stage 1 Protostars Protostars Huge clouds of gas (hydrogen) in which stars are made. Many thousands of times bigger than ...

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Requiem for a Star PowerPoint PPT Presentation

Requiem for a Star - Requiem for a Star Stellar Collapse Gravity Gravity is an inexorable force always trying to cause further collapse Nebulae Protostars Protostars Main Sequence ...

Requiem for a Star Stellar Collapse Gravity Gravity is an inexorable force always trying to cause further collapse Nebulae Protostars Protostars Main Sequence ...

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STAR FORMATION PowerPoint PPT Presentation

STAR FORMATION - typical densities above 1000 cm-3 ... PROTOSTARS: Emitting much IR radiation from infalling matter, usually in a flattened disk ...

typical densities above 1000 cm-3 ... PROTOSTARS: Emitting much IR radiation from infalling matter, usually in a flattened disk ...

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Stellar Formation PowerPoint PPT Presentation

Stellar Formation - Stellar Formation October 23, 2002 Solar Wind/Sunspots Interstellar Medium Protostars A Star is Born Review Stellar compositions H-R diagram/main sequence Nuclear ...

Stellar Formation October 23, 2002 Solar Wind/Sunspots Interstellar Medium Protostars A Star is Born Review Stellar compositions H-R diagram/main sequence Nuclear ...

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Star Formation - Star Formation. Gravitational collapse of molecular cloud. Evolution of protostars ... radiation, causing an HII nebula glow (example: Trapezium in Orion Nebula) ...

Star Formation. Gravitational collapse of molecular cloud. Evolution of protostars ... radiation, causing an HII nebula glow (example: Trapezium in Orion Nebula) ...

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Origin of the Chemical Elements PowerPoint PPT Presentation

Origin of the Chemical Elements - Galaxies and Stars. Gravity brought atoms of H and He together to form galaxies of protostars ... Galaxies. 1 billion yr. Stars (99% H, 1% He) 7 billion yr ...

Galaxies and Stars. Gravity brought atoms of H and He together to form galaxies of protostars ... Galaxies. 1 billion yr. Stars (99% H, 1% He) 7 billion yr ...

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Life cycle of a star - Life cycle of a star Birth of Stars All stars are born in nebulae, huge clouds of dust and gas These collapse under gravitational forces, forming protostars These ...

Life cycle of a star Birth of Stars All stars are born in nebulae, huge clouds of dust and gas These collapse under gravitational forces, forming protostars These ...

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Review - Combining terms we have. A much more detailed calculation ... Protostars lighter than this can never ignite nuclear reactions. They are known as brown dwarfs ...

Combining terms we have. A much more detailed calculation ... Protostars lighter than this can never ignite nuclear reactions. They are known as brown dwarfs ...

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Astronomy and Astrophysics at SAO PowerPoint PPT Presentation

Astronomy and Astrophysics at SAO - From dust bunnies grow planets? Lee Hartmann, Smithonian Astrophysical Observatory. Protostars: images of (rotating) infall forming rotating disks. T Tauri disks ...

From dust bunnies grow planets? Lee Hartmann, Smithonian Astrophysical Observatory. Protostars: images of (rotating) infall forming rotating disks. T Tauri disks ...

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Dynamical Decay of Young FewBody Clusters and Isolated T Tauri Stars PowerPoint PPT Presentation

Dynamical Decay of Young FewBody Clusters and Isolated T Tauri Stars - ... al., 2000, Protostars and Planets IV. Serpens core: Testi ... few-body decay is likely in early stellar evolution. stellar dynamics approximates the evolution ...

... al., 2000, Protostars and Planets IV. Serpens core: Testi ... few-body decay is likely in early stellar evolution. stellar dynamics approximates the evolution ...

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Weve got the smoke, but wheres the gun IR astronomy, paradigms of star formation, and A search for h - A search for high-mass protostars. ... Collaborator Joe Hora (CfA) has. accessed the Spitzer database, and processed the IRAC images. ...

A search for high-mass protostars. ... Collaborator Joe Hora (CfA) has. accessed the Spitzer database, and processed the IRAC images. ...

YSOs: Young Stellar Objects PowerPoint PPT Presentation

YSOs: Young Stellar Objects - ... but are warmed by that visible light and so radiate in the IR visible light image IR light image mosaic IR stars in Orion IR star DC303.8-14.2 visible light ...

... but are warmed by that visible light and so radiate in the IR visible light image IR light image mosaic IR stars in Orion IR star DC303.8-14.2 visible light ...

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The Origin of Modern Astronomy PowerPoint PPT Presentation

The Origin of Modern Astronomy - 0 Chapter 9 The Formation and Structure of Stars The space between the stars is not completely empty, but filled with very dilute gas and dust, producing some of the ...

0 Chapter 9 The Formation and Structure of Stars The space between the stars is not completely empty, but filled with very dilute gas and dust, producing some of the ...

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ALMA Science Examples PowerPoint PPT Presentation

ALMA Science Examples - ALMA Science Examples Min S. Yun (UMass/ANASAC)

ALMA Science Examples Min S. Yun (UMass/ANASAC)

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SUPERNOVA! - SUPERNOVA! What is a supernova? How dangerous are they to life on Earth? How would the universe be different without supernovae? Supernova! Where does the radiation ...

SUPERNOVA! What is a supernova? How dangerous are they to life on Earth? How would the universe be different without supernovae? Supernova! Where does the radiation ...

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Stellar Evolution PowerPoint PPT Presentation

Stellar Evolution - Stellar Evolution Astrophysics Lesson 12 Some terms Radiation pressure - the pressure exerted upon any surface exposed to electromagnetic radiation.

Stellar Evolution Astrophysics Lesson 12 Some terms Radiation pressure - the pressure exerted upon any surface exposed to electromagnetic radiation.

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Tracing Protostellar Evolution by Observations of Ices PowerPoint PPT Presentation

Tracing Protostellar Evolution by Observations of Ices - Tracing Protostellar Evolution by Observations of Ices Adwin Boogert Geoff Blake Michiel Hogerheijde Caltech/OVRO Caltech/OVRO Univ. of Arizona Topics Introduction: a ...

Tracing Protostellar Evolution by Observations of Ices Adwin Boogert Geoff Blake Michiel Hogerheijde Caltech/OVRO Caltech/OVRO Univ. of Arizona Topics Introduction: a ...

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Star Properties PowerPoint PPT Presentation

Star Properties - Twinkle twinkle little star, how I wonder what you are ... ... Star Properties

Twinkle twinkle little star, how I wonder what you are ... ... Star Properties

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Molecular Cloud Turbulence and Star Formation PowerPoint PPT Presentation

Molecular Cloud Turbulence and Star Formation - Javier Ballesteros-Paredes1, Ralf Klessen2, Mordecai-Mark Mac Low3, Enrique Vazquez-Semadeni1 ... homogeneity & isotropy in a statistical sense; ...

Javier Ballesteros-Paredes1, Ralf Klessen2, Mordecai-Mark Mac Low3, Enrique Vazquez-Semadeni1 ... homogeneity & isotropy in a statistical sense; ...

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Upper Stellar Mass Limit PowerPoint PPT Presentation

Upper Stellar Mass Limit - Upper Stellar Mass Limit Eta Carina is a star of almost 100 solar masses. Radiation pressure is blasting off the outer parts.

Upper Stellar Mass Limit Eta Carina is a star of almost 100 solar masses. Radiation pressure is blasting off the outer parts.

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A MASSIVE PROTOSTELLAR DISK - A MASSIVE PROTOSTELLAR DISK

A MASSIVE PROTOSTELLAR DISK

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A Star is Born How Stars Are Formed PowerPoint PPT Presentation

A Star is Born How Stars Are Formed - A Star is Born How Stars Are Formed Star formation in the Eagle Nebula as seen with the Hubble Space Telescope A tower of cold gas and dust rising from the Eagle ...

A Star is Born How Stars Are Formed Star formation in the Eagle Nebula as seen with the Hubble Space Telescope A tower of cold gas and dust rising from the Eagle ...

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SUPERNOVA! - Title: Our Worlds, Other Worlds Author: Marni Berendsen Last modified by: Laura Middaugh Rios Created Date: 2/8/2003 1:13:35 PM Document presentation format

Title: Our Worlds, Other Worlds Author: Marni Berendsen Last modified by: Laura Middaugh Rios Created Date: 2/8/2003 1:13:35 PM Document presentation format

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WHERE - Avg density 1 grain/million m3. Whirlpool' Galaxy. Looking at a ... Supernova blast wave. Expanding emission nebula. Galactic density wave. p. 271. Molecular ...

Avg density 1 grain/million m3. Whirlpool' Galaxy. Looking at a ... Supernova blast wave. Expanding emission nebula. Galactic density wave. p. 271. Molecular ...

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Most meteorites formed in the earliest moments PowerPoint PPT Presentation

Most meteorites formed in the earliest moments - Differentiated bodies. We see evidence for planet-forming nebular disks around stars ... waves in disk probably caused by interaction with planets ...

Differentiated bodies. We see evidence for planet-forming nebular disks around stars ... waves in disk probably caused by interaction with planets ...

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An Introduction to Astronomy Part XI: The Birth and Death of Stars PowerPoint PPT Presentation

An Introduction to Astronomy Part XI: The Birth and Death of Stars - Title: Science and a Christian World View A Christian View of Science: Part II: Ideas in Conflict. Author: Lambert E. Murray Description

Title: Science and a Christian World View A Christian View of Science: Part II: Ideas in Conflict. Author: Lambert E. Murray Description

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Star Formation - Star Formation. Giant Molecular Clouds. Visible. Infrared. Barnard 68. Star formation collapse of the cores of giant molecular clouds: Dark, cold, ...

Star Formation. Giant Molecular Clouds. Visible. Infrared. Barnard 68. Star formation collapse of the cores of giant molecular clouds: Dark, cold, ...

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RECENT RESULTS FROM THE SPITZER SPACE TELESCOPE: A NEW VIEW OF THE INFRARED UNIVERSE Part II: Galact - RECENT RESULTS FROM THE SPITZER SPACE TELESCOPE: A NEW VIEW OF THE INFRARED UNIVERSE Part II: Galact

RECENT RESULTS FROM THE SPITZER SPACE TELESCOPE: A NEW VIEW OF THE INFRARED UNIVERSE Part II: Galact

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The Science Case for Band 1 PowerPoint PPT Presentation

The Science Case for Band 1 - The Science Case for Band 1 James Di Francesco Herzberg Institute of Astrophysics Victoria, BC, Canada

The Science Case for Band 1 James Di Francesco Herzberg Institute of Astrophysics Victoria, BC, Canada

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Life Cycle of a Star - As the clouds collapse stars are born in them. Stage 2. Main sequence star. Main Sequence Star ... to collapse. The sun is now much cooler and it collapses into ...

As the clouds collapse stars are born in them. Stage 2. Main sequence star. Main Sequence Star ... to collapse. The sun is now much cooler and it collapses into ...

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SUMMARY - SUMMARY Statistical equilibrium and radiative transfer in molecular (H2) cloud Derivation of physical parameters of molecular clouds High-mass star formation ...

SUMMARY Statistical equilibrium and radiative transfer in molecular (H2) cloud Derivation of physical parameters of molecular clouds High-mass star formation ...

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Star Formation/ISM with Herschel PowerPoint PPT Presentation

Star Formation/ISM with Herschel - SPIRE : Maps on the large scale (eg of galactic plane, see ... HIFI : Water and detailed kinematics of star forming regions. Dusty04, Paris, Oct. 27-29 2004 ...

SPIRE : Maps on the large scale (eg of galactic plane, see ... HIFI : Water and detailed kinematics of star forming regions. Dusty04, Paris, Oct. 27-29 2004 ...

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Life Cycles of Stars PowerPoint PPT Presentation

Life Cycles of Stars - Life Cycles of Stars Stars Stars are a large hot balls of plasma that shine The Sun is the Star in our solar system A group of stars that form a recognizable shape ...

Life Cycles of Stars Stars Stars are a large hot balls of plasma that shine The Sun is the Star in our solar system A group of stars that form a recognizable shape ...

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Testing grain surface chemistry models using deuterated probes in low-mass star-forming regions. PowerPoint PPT Presentation

Testing grain surface chemistry models using deuterated probes in low-mass star-forming regions. - B reng re Parise. Testing grain surface chemistry models ... the MPG (Max Planck Gesellschaft, Germany), and the IGN (Instituto Geografico Nacional, Spain) ...

B reng re Parise. Testing grain surface chemistry models ... the MPG (Max Planck Gesellschaft, Germany), and the IGN (Instituto Geografico Nacional, Spain) ...

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Spectral Sensitivity of SPICA PowerPoint PPT Presentation

Spectral Sensitivity of SPICA - What will be the Best Spectral Resolution to aim for? With SPICA we will undoubtedly wish to look at stars in different stages of ...

What will be the Best Spectral Resolution to aim for? With SPICA we will undoubtedly wish to look at stars in different stages of ...

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Centimeter and Millimeter Observations of Very Young Binary and Multiple Systems PowerPoint PPT Presentation

Centimeter and Millimeter Observations of Very Young Binary and Multiple Systems - Centimeter and Millimeter Observations of Very Young Binary and Multiple Systems ... J. M. Torrelles (IEEC, Spain), J. M. Girart (U. Barcelona, Spain) ...

Centimeter and Millimeter Observations of Very Young Binary and Multiple Systems ... J. M. Torrelles (IEEC, Spain), J. M. Girart (U. Barcelona, Spain) ...

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Tracing Protostellar Evolution by Observations of Ices - gas/solid ratio increases (van Dishoeck et al. 1997) Detailed modelling gas phase mm-wave observations (van der Tak et al. 2000) Solid 13CO2: ...

gas/solid ratio increases (van Dishoeck et al. 1997) Detailed modelling gas phase mm-wave observations (van der Tak et al. 2000) Solid 13CO2: ...

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A Survey of Orion A with XMM and Spitzer: SOXS - A Survey of Orion A with XMM and Spitzer: SOXS

A Survey of Orion A with XMM and Spitzer: SOXS

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CHAPTER 24 THE SOLAR SYSTEM PowerPoint PPT Presentation

CHAPTER 24 THE SOLAR SYSTEM - COMPOSITION OF THE SUN COMPOSITION OF THE SUN LIFE CYCLES OF STARS LIFE CYCLES OF STARS NEBULA Gaseous cloud Birthplace of stars STAR ...

COMPOSITION OF THE SUN COMPOSITION OF THE SUN LIFE CYCLES OF STARS LIFE CYCLES OF STARS NEBULA Gaseous cloud Birthplace of stars STAR ...

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Lives of Stars PowerPoint PPT Presentation

Lives of Stars - Super Nova The explosion of a dying giant or supergiant star http ... Place in the universe c. Mass d. Temperature 4. If the star is super massive, it will live ...

Super Nova The explosion of a dying giant or supergiant star http ... Place in the universe c. Mass d. Temperature 4. If the star is super massive, it will live ...

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The ALMA Project - The ALMA Project

The ALMA Project

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JimH This is Your Life - JimH This is Your Life

JimH This is Your Life

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Chapter 16 Star Birth PowerPoint PPT Presentation

Chapter 16 Star Birth - Title: Testing Author: Mark Voit Last modified by: Harold Williams Created Date: 9/29/1999 2:52:42 PM Document presentation format: On-screen Show Company

Title: Testing Author: Mark Voit Last modified by: Harold Williams Created Date: 9/29/1999 2:52:42 PM Document presentation format: On-screen Show Company

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Chapter 16 Star Birth - Chapter 16 Star Birth

Chapter 16 Star Birth

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Formation of the first and second generation stars PowerPoint PPT Presentation

Formation of the first and second generation stars - made of primordial pristine gas (H, He, small Li) ... Density fluctuation by SN blast wave, or HII region. Different Environment ...

made of primordial pristine gas (H, He, small Li) ... Density fluctuation by SN blast wave, or HII region. Different Environment ...

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STARS - STARS A Life and Death Production Nebula A very large diffuse mass of interstellar dust and gas (mostly Hydrogen). This material starts to collapse in on itself due ...

STARS A Life and Death Production Nebula A very large diffuse mass of interstellar dust and gas (mostly Hydrogen). This material starts to collapse in on itself due ...

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Protostars PowerPoint PPT Presentations