View Presentation Slides
... Stars have “life cycles”. They are “born” and they “die” but are not alive like us. Stars like the Sun “die” by “puffing” off their outer layers of gas and dust. This process creates a beautiful variety of NEBULAE in the Milky Way GALAXY. ...
... Stars have “life cycles”. They are “born” and they “die” but are not alive like us. Stars like the Sun “die” by “puffing” off their outer layers of gas and dust. This process creates a beautiful variety of NEBULAE in the Milky Way GALAXY. ...
Milky Way Galaxy Webquest
... 12. How old is the Milky Way galaxy? Website: ___________________________________________________ 13. Except for size, how does the supermassive black hole in the center of our galaxy differ from typical ...
... 12. How old is the Milky Way galaxy? Website: ___________________________________________________ 13. Except for size, how does the supermassive black hole in the center of our galaxy differ from typical ...
ausac_cjs_2008_1
... HI from Black-hole Host Galaxies Ho, Darling and Greene have made a large survey of 154 nearby Type-1 (broad-lined) AGNs whose black-hole masses and accretion rates are known. This enables them to constrain a number of properties of relevance to the relationship between BHs and their hosts. HI was ...
... HI from Black-hole Host Galaxies Ho, Darling and Greene have made a large survey of 154 nearby Type-1 (broad-lined) AGNs whose black-hole masses and accretion rates are known. This enables them to constrain a number of properties of relevance to the relationship between BHs and their hosts. HI was ...
Galaxies Slide Show and Videos
... sky. The Milky Way appears like an arch of light in the night sky. The Milky Way from Chile ...
... sky. The Milky Way appears like an arch of light in the night sky. The Milky Way from Chile ...
ppp
... • Java3D is a viable tool for creating scientific simulations and visualizations • Performance losses from using Java3D are relatively big compared with pure OpenGL • Development time is significantly less, due to higher level abstraction of Java3D’s API • NASA officials have already contacted us… ( ...
... • Java3D is a viable tool for creating scientific simulations and visualizations • Performance losses from using Java3D are relatively big compared with pure OpenGL • Development time is significantly less, due to higher level abstraction of Java3D’s API • NASA officials have already contacted us… ( ...
Lecture 29: Ellipticals and Irregulars
... Persian astronomer Al Sufi in 964 White Ox of the southern Arabs Visible from the strait of Bab el Mandeb 1781 – M32 discovered by LeGentil 19th Cent – numerous dwarfs in NGC and IC catalogs 1938—Sculptor & Fornax dSph discovered by Shapley ...
... Persian astronomer Al Sufi in 964 White Ox of the southern Arabs Visible from the strait of Bab el Mandeb 1781 – M32 discovered by LeGentil 19th Cent – numerous dwarfs in NGC and IC catalogs 1938—Sculptor & Fornax dSph discovered by Shapley ...
deep space - altaastronomy
... • If they are black how do we know they are there? • Black holes can be found by: • 1. Their gravitational effects on other objects. • 2. X-ray radiation from material falling into the black hole. ...
... • If they are black how do we know they are there? • Black holes can be found by: • 1. Their gravitational effects on other objects. • 2. X-ray radiation from material falling into the black hole. ...
Galaxy Notes Presentation
... billion times the mass of the Sun The Sun lies a little more than 30,000 light years from the center Cannot actually count the number of stars in the galaxy, can estimate as roughly 100 billion ...
... billion times the mass of the Sun The Sun lies a little more than 30,000 light years from the center Cannot actually count the number of stars in the galaxy, can estimate as roughly 100 billion ...
Learning Objectives Weeks 9-11 . 1. Know that star birth can begin
... 18. The special theory of relativity changes our conceptions of space and time. To understand black holes, we must first grasp the nature of space and time as described by Einstein’s special theory of relativity. 19. The general theory of relativity predicts black holes. Careful experiments have ver ...
... 18. The special theory of relativity changes our conceptions of space and time. To understand black holes, we must first grasp the nature of space and time as described by Einstein’s special theory of relativity. 19. The general theory of relativity predicts black holes. Careful experiments have ver ...
Document
... • Molecular Gas Mass as traced by CO emission and the star formation rate in spiral galaxies, LIRGS, ULIRGs and high z molecular galaxies (Early Molecular Galaxies, EMGs) • Dense molecular Gas as traced by HCN emission is a star formation rate indicator. The mass of dense molecular gas is the key to ...
... • Molecular Gas Mass as traced by CO emission and the star formation rate in spiral galaxies, LIRGS, ULIRGs and high z molecular galaxies (Early Molecular Galaxies, EMGs) • Dense molecular Gas as traced by HCN emission is a star formation rate indicator. The mass of dense molecular gas is the key to ...
galaxy evolution
... • The centers of galaxies which exhibit extreme luminosities and sometimes very powerful jets are called active galactic nuclei. • The very brightest active galactic nuclei are quasars, the most powerful of which may emit more light than 1,000 Milky Way galaxies. • Quasars are found primarily at ver ...
... • The centers of galaxies which exhibit extreme luminosities and sometimes very powerful jets are called active galactic nuclei. • The very brightest active galactic nuclei are quasars, the most powerful of which may emit more light than 1,000 Milky Way galaxies. • Quasars are found primarily at ver ...
The Interstellar Medium (ISM) The Dust The Gas: a. The Hot
... formation of molecules — cool, low energy environment requires dust grains. Types of molecules Organic molecules; pre-biotic? possible detection of amino acid glycine Giant Molecular Clouds Massive, and sites of Star Formation NGC 7023: GMC large: HII region small bright knot Complex of ac ...
... formation of molecules — cool, low energy environment requires dust grains. Types of molecules Organic molecules; pre-biotic? possible detection of amino acid glycine Giant Molecular Clouds Massive, and sites of Star Formation NGC 7023: GMC large: HII region small bright knot Complex of ac ...
The Transient Radio Sky Astrophysical and Artificial
... Cosmic reionization and first light HI + continuum survey: galaxy evolution and dark energy Cosmic magnetism: origin and evolution Strong field tests of GR using pulsars Cradle of Life: Terrestrial planet formation + astrobiology + SETI ...
... Cosmic reionization and first light HI + continuum survey: galaxy evolution and dark energy Cosmic magnetism: origin and evolution Strong field tests of GR using pulsars Cradle of Life: Terrestrial planet formation + astrobiology + SETI ...
Lecture 5: Matter Dominated Universe: CMB Anisotropies and Large
... Sachs-Wolfe (ΔT/T ~ -Δρ/ρ), Doppler (ΔT/T ~ V/c) and Sunyaev-Zeldovich (Re-ionisation) effects. • From the CMB Power Spectrum, most cosmological parameters are determined to a few percent. This determines the redshifttime relationship, R( t ) = 1 + z( t ) . • Supercomputer simulations, with initia ...
... Sachs-Wolfe (ΔT/T ~ -Δρ/ρ), Doppler (ΔT/T ~ V/c) and Sunyaev-Zeldovich (Re-ionisation) effects. • From the CMB Power Spectrum, most cosmological parameters are determined to a few percent. This determines the redshifttime relationship, R( t ) = 1 + z( t ) . • Supercomputer simulations, with initia ...
Galaxy3
... the luminosity of the galaxy is the same as if there where 3 x 1011 Suns in this galaxy. That means it has about 3 x 1011 times the mass of the Sun. • To do a better estimate, you look at the luminosity function, which tells you how many high mass stars, medium mass stars and low mass stars make up ...
... the luminosity of the galaxy is the same as if there where 3 x 1011 Suns in this galaxy. That means it has about 3 x 1011 times the mass of the Sun. • To do a better estimate, you look at the luminosity function, which tells you how many high mass stars, medium mass stars and low mass stars make up ...
Document
... Can we perform similar studies out to the distance of the Virgo cluster with the E-ELT? => Can we derive accurate [Fe/H] and line-of-sight velocities from the CaT lines for large numbers (about 1000) of individual RGB stars in a “reasonable” observing time? ...
... Can we perform similar studies out to the distance of the Virgo cluster with the E-ELT? => Can we derive accurate [Fe/H] and line-of-sight velocities from the CaT lines for large numbers (about 1000) of individual RGB stars in a “reasonable” observing time? ...
Bolte_LRIS_08A
... The Dwarf galaxy Abundances and Radial-velocities Team (DART) project using the ESO VLT/FLAMES facility measured abundances for a large number of giants in the dSph galaxies Sculptor, Fornax, Sextans and Carina. Their results show that while there are large dSph-to-dSph differences in the metallicit ...
... The Dwarf galaxy Abundances and Radial-velocities Team (DART) project using the ESO VLT/FLAMES facility measured abundances for a large number of giants in the dSph galaxies Sculptor, Fornax, Sextans and Carina. Their results show that while there are large dSph-to-dSph differences in the metallicit ...
wk9 (part 1)
... • As a cloud core collapses, the density and temperature of the gas increase → more blackbody radiation • Opacity — the gas is not transparent to the radiation, and the radiation interacts with the gas particles exerting an outward pressure known as radiation pressure ...
... • As a cloud core collapses, the density and temperature of the gas increase → more blackbody radiation • Opacity — the gas is not transparent to the radiation, and the radiation interacts with the gas particles exerting an outward pressure known as radiation pressure ...
Life of stars, formation of elements
... Molecular clouds • Massive interstellar gas clouds • Up to ~105 M • 100’s of LY in diameter. ...
... Molecular clouds • Massive interstellar gas clouds • Up to ~105 M • 100’s of LY in diameter. ...
Linking Asteroids and Meteorites through Reflectance Spectroscopy
... Elliptical Galaxies • Velocities of stars stay relatively constant as you move from galactic center • Ellipticals contain dark matter ...
... Elliptical Galaxies • Velocities of stars stay relatively constant as you move from galactic center • Ellipticals contain dark matter ...
Guess The Spectra!!
... HII Clouds are mostly made of Hydrogen and emit spectra when nearby stars transfer energy to them. Like planetary nebula, these clouds may also contain Helium and Oxygen. ...
... HII Clouds are mostly made of Hydrogen and emit spectra when nearby stars transfer energy to them. Like planetary nebula, these clouds may also contain Helium and Oxygen. ...