Interstellar gas - PowerPoint PPT Presentation
Radio Waves Interaction With Interstellar Matter
Radio Waves Interaction With Interstellar Matter. A cosmic journey brought to you by McGourty-Rideout. Interstellar Medium. Gaseous - almost all hydrogen H I- neutral hydrogen one proton and one electron( most) H II ionized hydrogen- - no electron just a proton - near hot stars
By sanders
Astro 300B: Jan. 26, 2011 Thermal radiation and Thermal Equilibrium
Astro 300B: Jan. 26, 2011 Thermal radiation and Thermal Equilibrium. Thermal Radiation, and Thermodynamic Equilibrium. Thermal radiation is radiation emitted by matter in thermodynamic equilibrium.
By berne
Andrzej Radosz Institute of Physics Wroclaw University of Technology aradosz@if.pwr.wroc.pl
A ( very ) Short Story of the Big Bang. Andrzej Radosz Institute of Physics Wroclaw University of Technology aradosz@if.pwr.wroc.pl. 1. Introduction: night sky’ paradox 2. How big is Universe? 3. Hubble’s discovery 4. Three principles 5. Scale parameter 6. Closed , open or flat.
By kalin
The Milky Way Galaxy
The Milky Way Galaxy. James Binney Oxford University. Outline. Why it’s important Components of the Galaxy Nearby stars Interstellar gas The bar The Galactic centre Globular clusters Star streams The dark halo. Why bother?. It’s home! It can be studied in unique detail
By marjean
Active Galactic Nuclei
Active Galactic Nuclei. 4C15 - High Energy Astrophysics emp@mssl.ucl.ac.uk http://www.mssl.ucl.ac.uk/. Introduction. Apparently stellar Non-thermal spectra High redshifts Seyferts (usually found in spiral galaxies) BL Lacs (normally found in ellipticals)
By brielle
MIR Diagnostics and Molecular Gas in Local Luminous Infrared Galaxies
MIR Diagnostics and Molecular Gas in Local Luminous Infrared Galaxies . Andreea Petric Collaborators: L. Armus, J. Howell, J. Surace (SSC/Caltech), A. Evans (UVA) J. Mazzarella, D. Frayer, T. Vavilkin, C. Bridge (IPAC) P. Appleton (IPAC), D. Sanders, J. Barnes, (IFA)
By mahon
Interstellar Magnetic Fields in the Solar Vicinity
Interstellar Magnetic Fields in the Solar Vicinity. P. C. Frisch et al. University of Chicago Midwest Magnetic Field Workshop, May 2011. et al….. . B-G Andersson, SOFIA, USRA, CA Andrei Berdyugin, Tuorla Observatory, University of Turku, Finland
By roxanne
Xavier Barcons Instituto de Física de Cantabria (CSIC-UC)
Xavier Barcons Instituto de Física de Cantabria (CSIC-UC) On behalf of The Athena+ Co-ordination Group, the Athena+ Working Groups and Supporters. A theme proposed to ESA for L2/L3 www.the-athena-x-ray-observatory.eu. The Hot and Energetic Universe.
By tilden
Discovering the Universe Ninth Edition
Neil F. Comins • William J. Kaufmann III. Discovering the Universe Ninth Edition. CHAPTER 5 Formation of the Solar System and Other Planetary Systems. A montage of the planets in our solar system presented in correct relative sizes. The orbits in the background are also drawn to scale.
By arich
Galaxies Galaxies M81
Galaxies Galaxies M81. The Milky Way Galaxy. William & Caroline Herschel. First to study the extent of the Milky Way Galaxy. Herschel’s Grindstone Model. Sun near center of irregularly shaped cloud of stars . Underestimated size of galaxy Sun not actually at center.
By alina
OTHER TELESCOPES
OTHER TELESCOPES. OTHER TELESCOPES. Radio telescopes Fundamental design similar to optical telescopes. Made up of large dishes to accommodate longer wavelengths of electromagnetic radiation. Bowl-shaped surface is crafted of steel and wire mesh. . Radio Telescopes.
By shina
Stellar Evolution
Star Formation. Stellar Evolution. 1) Nebula. Cloud of interstellar gas and dust Collapses due to its own gravity Begins Star Formation. 2) Protostar. Rotating disk shape Hot condensed object at the center Fusion begins. 3) Main Sequence Star. Fusing Hydrogen into Helium
By tejana
Chapter 18 The Interstellar Medium
Chapter 18 The Interstellar Medium. Units of Chapter 18. 18.1 Interstellar Matter 18.2 Emission Nebulae 18.3 Dark Dust Clouds 18.4 21-Centimeter Radiation 18.5 Interstellar Molecules. 18.1 Interstellar Matter.
By marva
A Star Is Born
A Star Is Born. Looking at the Interstellar Medium. The Stuff in Space. Material exists between the stars and planets “Building Blocks” for more stars and planets Interstellar Medium Composed of Gas and Dust. Interstellar Medium. Seen in telescopes
By yehuda
Chapter 6 Formation of Planetary Systems Our Solar System and Beyond
Chapter 6 Formation of Planetary Systems Our Solar System and Beyond. The solar system exhibits clear patterns of composition and motion. These patterns are far more important and interesting than numbers, names, and other trivia. Planets are very tiny compared to distances between them. Sun.
By baakir
ISM & Astrochemistry Lecture 1
ISM & Astrochemistry Lecture 1. Interstellar Matter. Astrochemistry is the study of the synthesis of molecules in space and their use in determining the properties of Interstellar Matter, the material between the stars. Comprises Gas and Dust
By hija
LECTURE 17, OCTOBER 28, 2010
LECTURE 17, OCTOBER 28, 2010. ASTR 101, SECTION 3 INSTRUCTOR, JACK BRANDT jcbrandt@unm.edu. Question 1. a) there are no stars there. b) stars in that direction are obscured by interstellar gas . c) stars in that direction are obscured by interstellar dust .
By colton
LECTURE 17, OCTOBER 28, 2010
LECTURE 17, OCTOBER 28, 2010. ASTR 101, SECTION 3 INSTRUCTOR, JACK BRANDT jcbrandt@unm.edu. Question 1. a) there are no stars there. b) stars in that direction are obscured by interstellar gas . c) stars in that direction are obscured by interstellar dust .
By savannah-walker
Chapter 6 Formation of Planetary Systems: Our Solar System and Beyond
Chapter 6 Formation of Planetary Systems: Our Solar System and Beyond. 6.1 A Brief Tour of the Solar System. Our goals for learning: What does the solar system look like?. What does the solar system look like?. The solar system exhibits clear patterns of composition and motion.
By kropp
• I nterstellar dust • Interstellar gas • Birth of stars
Stellar nurseries. • I nterstellar dust • Interstellar gas • Birth of stars. Interstellar dust. Extinction and reddening Dust: grains of various sizes (~ 0.1 to 1 m). non uniform distribution in galaxies – associated to interstellar gas Scatters light Cross section ~ 1/ λ
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