'Interstellar dust' diaporamas de présentation

Stellar Evolution of Sun-Like Stars Star Birth Main Sequence Star Death

Ohio University - Lancaster Campus slide 1 of 78 Spring 2009 PSC 100. Stellar Evolution of Sun-Like Stars Star Birth Main Sequence Star Death. What are the raw materials from which stars are formed?. Cold interstellar gas (H and He) Cold complex

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Discovering the Universe Ninth Edition

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KPDS

KPDS. 2011 ?LKBAHAR. A series of gas discoveries in recent years in the Western Desert of Egypt means that a range of new export projects must be developed ---- the country is to make full use of its new reserves. A) lest B) although C) after D) as if E) if . E) ?f

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Light and Matter

727 views • 58 slides

Evolution of PAH features from proto-PN to planetary nebulae

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Asteroids & Meteorites

557 views • 42 slides

Our Galaxy

Our Galaxy. Chapter Twenty-Five. Guiding Questions. What is our Galaxy? How do astronomers know where we are located within it? What is the shape and size of our Galaxy? How do we know that our Galaxy has spiral arms?

411 views • 40 slides

Chapter 12: the Galaxies

Chapter 12: the Galaxies. The Structure of Our Galaxy. Our Galaxy has a disk about 100,000 light-years diameter and about 2000 light-years thick, with a high concentration of interstellar dust and gas. It contains around 200 billion stars.

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Colour Calibration of RGB Images

Colour Calibration of RGB Images. Advantages and disadvantages of different colour calibration methodes. Field Stars Calibration G2 Star Calibration Procedure Disadvantages B-V Calibration Workflow Experiences Alternative Methodes Summary. Contents. Atmosphere Zenith distance

523 views • 34 slides

Stardust

Stardust. Launch: February 1999 Arrive at Comet Wild-2: January 2004 Return to Earth: January 2006. Images courtesy NASA/JPL-Caltech. Where is Stardust Now?.

527 views • 26 slides

Stardust

Stardust. Launch: February 1999 Arrive at Comet Wild-2: January 2004 Return to Earth: January 2006. Images courtesy NASA/JPL-Caltech. Where is Stardust Now?.

304 views • 26 slides

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 fusion The Sun Interior Surface/atmosphere Neutrinos Magnetic fields. Solar Magnetic Fields.

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Revealing the mass of dust formed in the ejecta of SNe with ALMA ALMA ???????????????????

Revealing the mass of dust formed in the ejecta of SNe with ALMA ALMA ???????????????????. Takaya Nozawa (IPMU, University of Tokyo). Collaborators; M. Tanaka (IPMU), I. Sakon (University of Tokyo), T. Kozasa, T. Minamidani (Hokkaido University),

269 views • 12 slides

Galactic Extinction Curves and Interstellar Dust Models

Galactic Extinction Curves and Interstellar Dust Models. Nozawa, T. and Fukugita, M. (Kavli IPMU, University of Tokyo). 2012/05/08. 1. Introduction. Extinction curve: wavelength-dependence of interstellar extinction by dust

680 views • 12 slides

Stardust

Stardust. Comet Sample Return Mission. Stardust Timeline. Launch Feb 07, 1999 1st Interstellar Dust Collection Feb-May 2000 2nd Interstellar Dust Collection Aug-Dec 2002 Asteroid Annefrank Flyby Nov 02, 2002 Comet Wild 2 Encounter Jan 02, 2004 Earth Return Jan 15, 2006.

376 views • 11 slides

M. N. Mautner, V. Abdelsayed and M. S. El-Shall

Meteorite Nanoparticles as Models for Interstellar Grains: Synthesis and Preliminary Characterisation. M. N. Mautner, V. Abdelsayed and M. S. El-Shall Department of Chemistry, Virginia Commonwealth University, Richmond, Virginia 23284, USA

155 views • 8 slides