Galaxy Notes File
... From this table, you should take note of which galaxies are the most and least massive, most and least luminous, and largest and smallest in size. ...
... From this table, you should take note of which galaxies are the most and least massive, most and least luminous, and largest and smallest in size. ...
Expanding Universe and Big Bang
... In the 20th century, as theory and technology advanced, Doppler techniques began to be used widely. Vesto Slipher, from 1912, made a series of astounding measurements which showed galaxies racing around the universe. The Andromeda galaxy was racing towards us at 300 km/s; but almost every other gala ...
... In the 20th century, as theory and technology advanced, Doppler techniques began to be used widely. Vesto Slipher, from 1912, made a series of astounding measurements which showed galaxies racing around the universe. The Andromeda galaxy was racing towards us at 300 km/s; but almost every other gala ...
An introduce of the spectrograph of the GALEX
... distribution of the sources detected by our survey peaks at around z=0.6-1.0 (the location of the peak being affected by cosmic variance) and decays monotonically from z~1 to z~3. (...) The cosmic star formation rate (SFR) density goes as (1+z)4.0+/-0.2 from z=0 to 0.8. From z=0.8 to z~1.2, the SFR ...
... distribution of the sources detected by our survey peaks at around z=0.6-1.0 (the location of the peak being affected by cosmic variance) and decays monotonically from z~1 to z~3. (...) The cosmic star formation rate (SFR) density goes as (1+z)4.0+/-0.2 from z=0 to 0.8. From z=0.8 to z~1.2, the SFR ...
Vasiliki Pavlidou - Center for Particle and Gravitational Astrophysics
... 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 multi-wavelength campaign from neutrino Neutrino detectors pick up the -spike astrophysics Auger picks up the UH ...
... 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 multi-wavelength campaign from neutrino Neutrino detectors pick up the -spike astrophysics Auger picks up the UH ...
Astrophysics
... apply a qualitative understanding of methods used for measurements of the distances to stars and galaxies; explain the formation of galaxies, stars, and planets; describe the properties of stars: luminosity, radius and mass, temperature and spectral type; use the Hertzsprung-Russell diagram to descr ...
... apply a qualitative understanding of methods used for measurements of the distances to stars and galaxies; explain the formation of galaxies, stars, and planets; describe the properties of stars: luminosity, radius and mass, temperature and spectral type; use the Hertzsprung-Russell diagram to descr ...
b) How to Create Large Disks despite Major Mergers
... a) The Creation of a Bulgeless Disk Galaxy with a Dark Matter “Core” b) How to Create Large Disks despite Major Mergers ...
... a) The Creation of a Bulgeless Disk Galaxy with a Dark Matter “Core” b) How to Create Large Disks despite Major Mergers ...
Supermassive black holes
... Because gas clouds collide which increases the density of these clouds and then triggers star formation ...
... Because gas clouds collide which increases the density of these clouds and then triggers star formation ...
HST Key Project to Measure the Hubble Constant from
... sawtooth light curve facilitate discovery Long lifetimes: can be observed at other times and wavelengths CV P-L relationship has small scatter (I-band dispersion ~+-0.1 mag) Have been studied and theoretically modeled extensively and their physics is understood ...
... sawtooth light curve facilitate discovery Long lifetimes: can be observed at other times and wavelengths CV P-L relationship has small scatter (I-band dispersion ~+-0.1 mag) Have been studied and theoretically modeled extensively and their physics is understood ...
lecture25
... Dust is generated in the late stages of low and high mass stars, when carbon and silicon is dredged up from the cores and ejected in stellar winds, planetary nebulae, and possibly supernova remnants. The blocking of visible light by dust is called dust extinction. ...
... Dust is generated in the late stages of low and high mass stars, when carbon and silicon is dredged up from the cores and ejected in stellar winds, planetary nebulae, and possibly supernova remnants. The blocking of visible light by dust is called dust extinction. ...
young science communicator`s competition
... SHAPLEY: Yes, and if Curtis' “island universes” [said with a sneer] are all galaxies like the Milky Way, they'd have to be millions of light years away, an unimaginable distance! CURTIS: Perhaps we should not limit our imaginations... SHAPLEY: Well... [pauses, searching for an argument] What about t ...
... SHAPLEY: Yes, and if Curtis' “island universes” [said with a sneer] are all galaxies like the Milky Way, they'd have to be millions of light years away, an unimaginable distance! CURTIS: Perhaps we should not limit our imaginations... SHAPLEY: Well... [pauses, searching for an argument] What about t ...
Slide 1
... Which blows up, and later creates beautiful cloud like shapes called Nebulas. This is an example of a Spiral Galaxy. This is the Galaxy we live in. The “Milky Way” ...
... Which blows up, and later creates beautiful cloud like shapes called Nebulas. This is an example of a Spiral Galaxy. This is the Galaxy we live in. The “Milky Way” ...
Star and Earth Chemistry Lecture Notes (PDF
... 2. Cosmic Microwave Background (CMB) Big bang theory predicts that between 100s and 4 x 105 yr radiation (γ) and matter in equilibrium, i.e. thoroughly mixed and almost smoothly distributed in a plasma. This is called a black-body distribution of energy. ...
... 2. Cosmic Microwave Background (CMB) Big bang theory predicts that between 100s and 4 x 105 yr radiation (γ) and matter in equilibrium, i.e. thoroughly mixed and almost smoothly distributed in a plasma. This is called a black-body distribution of energy. ...
Document
... Explore low-energy spectrum where many AGN have peak emission Monitor variability and notify flares Study of AGN evolution and history of star-forming activity Overlap with ground-based gamma-ray observations ...
... Explore low-energy spectrum where many AGN have peak emission Monitor variability and notify flares Study of AGN evolution and history of star-forming activity Overlap with ground-based gamma-ray observations ...
Introduction
... A galaxy is a self-gravitating system composed of an interstellar medium, stars, and dark matter. It’s difficult to overstate the role of gravity in galaxies. While the electromagnetic force has the same r 2 dependence as gravity, charge cancellation insures that large-scale electromagnetic forces a ...
... A galaxy is a self-gravitating system composed of an interstellar medium, stars, and dark matter. It’s difficult to overstate the role of gravity in galaxies. While the electromagnetic force has the same r 2 dependence as gravity, charge cancellation insures that large-scale electromagnetic forces a ...
solar.gmu.edu
... •A quasar’s luminosity can be calculated from its apparent brightness and the distance using the inverse-square law •Even though small, the luminosity of a quasar (1038 to 1042 Watts) can be very larger, i.e., several thousand times more than the entire Milly Way Galaxies (1037). •A quasar has emiss ...
... •A quasar’s luminosity can be calculated from its apparent brightness and the distance using the inverse-square law •Even though small, the luminosity of a quasar (1038 to 1042 Watts) can be very larger, i.e., several thousand times more than the entire Milly Way Galaxies (1037). •A quasar has emiss ...
No Slide Title
... times less than a second or more than a fraction of a lifetime. Such times are too small or too long for us to appreciate ...
... times less than a second or more than a fraction of a lifetime. Such times are too small or too long for us to appreciate ...
Astro 10B Study Questions for Each Chapter
... Why aren't new protons and electrons forming today (by the same process as they did during the big bang)? Which took longer: the formation of protons and electrons, or the formation of galaxies from protons and electrons? At what temperature did the universe become transparent? Who discovered the Co ...
... Why aren't new protons and electrons forming today (by the same process as they did during the big bang)? Which took longer: the formation of protons and electrons, or the formation of galaxies from protons and electrons? At what temperature did the universe become transparent? Who discovered the Co ...
electric charge - National Physical Laboratory
... times less than a second or more than a fraction of a lifetime. Such times are too small or too long for us to appreciate ...
... times less than a second or more than a fraction of a lifetime. Such times are too small or too long for us to appreciate ...
electric charge - National Physical Laboratory
... times less than a second or more than a fraction of a lifetime. Such times are too small or too long for us to appreciate ...
... times less than a second or more than a fraction of a lifetime. Such times are too small or too long for us to appreciate ...
Galaxies - Stockton University
... activity. The evidence that suggests this model can be summarized by: high-velocity gas ( 10,000 Km/s) and relativistic jets imply a deep potential. the tiny size of the energy generation region is impossible for stable star clusters accreting black-holes are efficient 1014 Solar Luminosities. ...
... activity. The evidence that suggests this model can be summarized by: high-velocity gas ( 10,000 Km/s) and relativistic jets imply a deep potential. the tiny size of the energy generation region is impossible for stable star clusters accreting black-holes are efficient 1014 Solar Luminosities. ...
OCR Physics A Refer to the Physics A datasheet for data, formulae
... i Atomic hydrogen emits a strong radio signal at a wavelength of 0.211207 m as measured in the laboratory. The same radio signal is detected in emissions from the Andromeda galaxy. Explain why the wavelength of this signal is different from the value observed in the laboratory. Calculate the wavelen ...
... i Atomic hydrogen emits a strong radio signal at a wavelength of 0.211207 m as measured in the laboratory. The same radio signal is detected in emissions from the Andromeda galaxy. Explain why the wavelength of this signal is different from the value observed in the laboratory. Calculate the wavelen ...
Volcanoes and Igneous Activity Earth - Chapter 4
... Accounts for galaxies moving away from us Universe was once confined to a “ball” that was • Supermassive • Dense • Hot ...
... Accounts for galaxies moving away from us Universe was once confined to a “ball” that was • Supermassive • Dense • Hot ...
Classification and structure of galaxies
... Mapping the Milky Way How do we know what our Galaxy looks like? We can see: • Stars and star clusters – microwaves generated by water from H II regions (called the MASER technique) traces the Milky Way’s spiral arms • Nebulae – infrared light (detected by the Spitzer Space Telescope) shows the out ...
... Mapping the Milky Way How do we know what our Galaxy looks like? We can see: • Stars and star clusters – microwaves generated by water from H II regions (called the MASER technique) traces the Milky Way’s spiral arms • Nebulae – infrared light (detected by the Spitzer Space Telescope) shows the out ...
Galaxies
... them from their orbits. In some cases, they will be forced into an orbit closer to the center of the galaxy; in other cases, they will be forced into orbits farther out. There will be a change in speed when a star changes orbit. As a result, as the star continues to move, the overall galaxy will beg ...
... them from their orbits. In some cases, they will be forced into an orbit closer to the center of the galaxy; in other cases, they will be forced into orbits farther out. There will be a change in speed when a star changes orbit. As a result, as the star continues to move, the overall galaxy will beg ...