Study Guide for the Comprehensive Final Exam
... Identify the characteristics of white dwarf stellar remnants. List the differences in energy production between low-mass stars and high-mass stars. Describe the interior structure of a high-mass star near the end of its lifetime. Identify the types of stars that will experience a core-collapse (Type ...
... Identify the characteristics of white dwarf stellar remnants. List the differences in energy production between low-mass stars and high-mass stars. Describe the interior structure of a high-mass star near the end of its lifetime. Identify the types of stars that will experience a core-collapse (Type ...
Neutrino Masses, Dark Matter and the Mysterious Early Quasars
... Simplest interpretation: Quasar is temporarily (Δt < 30 Myr) powered by isotropic accretion of baryonic matter onto a supermassive black hole of mass M = 3×109 M☼, radiating at the Eddington luminosity ...
... Simplest interpretation: Quasar is temporarily (Δt < 30 Myr) powered by isotropic accretion of baryonic matter onto a supermassive black hole of mass M = 3×109 M☼, radiating at the Eddington luminosity ...
The Sun`s Crowning Glory - Max-Planck
... from the surface of the Sun and fly off into interplanetary space along the magnetic field lines. One of the aims is to calculate the trajectories of the particles back to their origin on the Sun, in order to gain a better understanding of how waves and turbulences propagate in the solar wind. This ...
... from the surface of the Sun and fly off into interplanetary space along the magnetic field lines. One of the aims is to calculate the trajectories of the particles back to their origin on the Sun, in order to gain a better understanding of how waves and turbulences propagate in the solar wind. This ...
nuclear astrophysics applications for accelerators
... The development of spectroscopy has allowed the chemical abundances of stars (and other objects) to be evaluated. Several important features are observed. Firstly, the vast majority of material (‘matter’ – we’re not considering dark matter or dark energy here) is composed of hydrogen (typically ~74 ...
... The development of spectroscopy has allowed the chemical abundances of stars (and other objects) to be evaluated. Several important features are observed. Firstly, the vast majority of material (‘matter’ – we’re not considering dark matter or dark energy here) is composed of hydrogen (typically ~74 ...
Star Factories: Nuclear Fusion and the Creation of the Elements
... elements up to and including iron in their cores. But iron is the heaviest element they can make. Fusion of iron does not create energy, and without an energy supply, the star will soon die. ...
... elements up to and including iron in their cores. But iron is the heaviest element they can make. Fusion of iron does not create energy, and without an energy supply, the star will soon die. ...
Today`s Powerpoint
... Pattern of absorption lines depends on temperature (mainly) and chemical composition. Spectra give most accurate info on these as well as: density in atmosphere gravity at surface velocity of star towards or from us ...
... Pattern of absorption lines depends on temperature (mainly) and chemical composition. Spectra give most accurate info on these as well as: density in atmosphere gravity at surface velocity of star towards or from us ...
It all began with a Big Bang!
... was thousands of times smaller than a pinhead. It was hotter and denser than anything we can imagine. Then it suddenly exploded. The Universe that we know was ...
... was thousands of times smaller than a pinhead. It was hotter and denser than anything we can imagine. Then it suddenly exploded. The Universe that we know was ...
Vasiliki Pavlidou - Center for Particle and Gravitational Astrophysics
... nearby transient (merger between compact objects ?) GLAST detects it as a very bright transient gamma-ray source. Follow up with Cherenkov detectors - high angular resolution. LIGO detects gravitational wave emission; nature of progenitor known at high confidence A success story Low-energy m ...
... nearby transient (merger between compact objects ?) GLAST detects it as a very bright transient gamma-ray source. Follow up with Cherenkov detectors - high angular resolution. LIGO detects gravitational wave emission; nature of progenitor known at high confidence A success story Low-energy m ...
solar system notes
... So if you spot any waves in the Fourier plot that have a whole number multiple of the main peak’s frequency it is likely due to this effect. ...
... So if you spot any waves in the Fourier plot that have a whole number multiple of the main peak’s frequency it is likely due to this effect. ...
Reflecting on the Activity and the Challenge Digging Deeper
... was formed from some of the original energy. Cosmologists (scientists who study the origin and dynamics of the universe) think that most of the matter in the universe was formed within minutes of time zero! The expansion and cooling that started with the Big Bang continues to this day. The galaxies ...
... was formed from some of the original energy. Cosmologists (scientists who study the origin and dynamics of the universe) think that most of the matter in the universe was formed within minutes of time zero! The expansion and cooling that started with the Big Bang continues to this day. The galaxies ...
Jeopardy
... Earth and moon or is that point below Earth’s surface? Name the point that balances the masses of the Earth and moon. ...
... Earth and moon or is that point below Earth’s surface? Name the point that balances the masses of the Earth and moon. ...
ALLAN SACHA BRUN Head of the Laboratory on Dynamics
... - Computed 3--D high resolution (20003) nonlinear numerical simulations on massively parallel machine architectures of rotating compressible convection in spherical shells to model the solar convective and radiative zones, A-type star core convection, RGB stars, F stars, Young and fast rotating Suns ...
... - Computed 3--D high resolution (20003) nonlinear numerical simulations on massively parallel machine architectures of rotating compressible convection in spherical shells to model the solar convective and radiative zones, A-type star core convection, RGB stars, F stars, Young and fast rotating Suns ...
Astronomical Spectra
... Again, u0 and u1 are the partition functions for the ground and first excited states. Note that the amount of ionization depends inversely on the electron pressure – the more loose electrons there are, the less ionization. For hand calculation purposes, a shortened form of the equation can be writte ...
... Again, u0 and u1 are the partition functions for the ground and first excited states. Note that the amount of ionization depends inversely on the electron pressure – the more loose electrons there are, the less ionization. For hand calculation purposes, a shortened form of the equation can be writte ...
Stellar variability and microvariability II. Spot maps and modelling
... For at least 40-50 solar analogues and a few hundreds F5V-M0V stars/field, we expect to obtain: • AR evolution time scales and contrast properties; • preferential longitude for AR formation (if any); • surface differential rotation (SDR); • possible short-term activity cycles ...
... For at least 40-50 solar analogues and a few hundreds F5V-M0V stars/field, we expect to obtain: • AR evolution time scales and contrast properties; • preferential longitude for AR formation (if any); • surface differential rotation (SDR); • possible short-term activity cycles ...
The Planets Go Around the Sun
... Teach the students “The Ants Go Marching” if they haven’t heard that version of the song yet, before teaching them “The Planets Around the Sun.” Hand-out lyrics of the song to the students so they can sing along to the song during the first few rounds of learning. ...
... Teach the students “The Ants Go Marching” if they haven’t heard that version of the song yet, before teaching them “The Planets Around the Sun.” Hand-out lyrics of the song to the students so they can sing along to the song during the first few rounds of learning. ...
PG_Lecture_Dec18_2008
... In the quiet solar corona, and to a 1st approximation in active regions (or maybe even flares), there is ionization equilibrium: Number of ionizations/unit vol. and time = No. of recombinations/unit vol. and time: ...
... In the quiet solar corona, and to a 1st approximation in active regions (or maybe even flares), there is ionization equilibrium: Number of ionizations/unit vol. and time = No. of recombinations/unit vol. and time: ...
Contents ISP 205 Section 2 Study Guide for Test 3 28 March 2007
... Why do the oxygen molecules in air move? Why do the electrons in a white dwarf move? A white dwarf has about the same mass as the sun and the same size as the earth. True or false? A neutron star has about the same mass as the sun and the same size as the earth. True or false? If the temperature of ...
... Why do the oxygen molecules in air move? Why do the electrons in a white dwarf move? A white dwarf has about the same mass as the sun and the same size as the earth. True or false? A neutron star has about the same mass as the sun and the same size as the earth. True or false? If the temperature of ...
Lecture 5: Planetary system formation theories o Topics to be covered:
... Laplace nebula theory: Difficulties 1. Strongest criticism related to the distribution of AM. o There is no mechanism for the partitioning of mass and AM. o Mass and AM concentrated on the central star. 2. While still a student at Cambridge, Maxwell suggested that differential rotation between ...
... Laplace nebula theory: Difficulties 1. Strongest criticism related to the distribution of AM. o There is no mechanism for the partitioning of mass and AM. o Mass and AM concentrated on the central star. 2. While still a student at Cambridge, Maxwell suggested that differential rotation between ...
basically all of the lectures from here on
... Red Shift • Works for sound or light – If the object is moving toward you, it will have a higher frequency (waves/s) • Louder (sound) • Bluer (light) ...
... Red Shift • Works for sound or light – If the object is moving toward you, it will have a higher frequency (waves/s) • Louder (sound) • Bluer (light) ...