SWFAS Apr 16 Newsletter - Southwest Florida Astronomical Society
... brothers, inventors, and aviation pioneers who are credited with inventing and building the world's first successful airplane and making the first controlled, powered and sustained heavier-than-air human flight, on December 17, 1903 four miles south of Kitty Hawk, North Carolina. In 1904-1905 the br ...
... brothers, inventors, and aviation pioneers who are credited with inventing and building the world's first successful airplane and making the first controlled, powered and sustained heavier-than-air human flight, on December 17, 1903 four miles south of Kitty Hawk, North Carolina. In 1904-1905 the br ...
Mathematical Reasoning
... Ratios and Proportions: To solve comparative problems for two related objects or conditions Suppose two stars are identical, but star B is 4 times farther away than star A. What is the brightness ratio between star A and star B? Brightness A α 1 / (distance A)2 Brightness B α 1 / (distance B)2 Brigh ...
... Ratios and Proportions: To solve comparative problems for two related objects or conditions Suppose two stars are identical, but star B is 4 times farther away than star A. What is the brightness ratio between star A and star B? Brightness A α 1 / (distance A)2 Brightness B α 1 / (distance B)2 Brigh ...
Galaxies
... Light from moving objects will appear to have different wavelengths depending on the relative motion of the source and the observer. Observers looking at an object that is moving away from them see light that has a longer wavelength than it had when it was emitted (a redshift), while observers looki ...
... Light from moving objects will appear to have different wavelengths depending on the relative motion of the source and the observer. Observers looking at an object that is moving away from them see light that has a longer wavelength than it had when it was emitted (a redshift), while observers looki ...
Unit 3 - Section 9.7 2011 Universe Origin
... were moving away from each other at a rate constant to the distance between them. In 1929, he produced Hubble’s Law: The Universe is expanding at a constant rate as determined by the linear proportional relationship between recessional velocity (i.e., rate at which an object is moving away from Eart ...
... were moving away from each other at a rate constant to the distance between them. In 1929, he produced Hubble’s Law: The Universe is expanding at a constant rate as determined by the linear proportional relationship between recessional velocity (i.e., rate at which an object is moving away from Eart ...
Ch. 21 notes-1
... Explain the big bang theory of how the universe was formed. Describe how the solar system was formed. Introduction Andromeda Galaxy is the most distant object you can see with your unaided eye. Light travels for 2 million years before reaching your eye. Moving Galaxies To study how and when the ...
... Explain the big bang theory of how the universe was formed. Describe how the solar system was formed. Introduction Andromeda Galaxy is the most distant object you can see with your unaided eye. Light travels for 2 million years before reaching your eye. Moving Galaxies To study how and when the ...
Measuring the Masses of Galaxies in the Sloan Digital Sky Survey
... with respect to the size of the Universe when light left the galaxy (or quasar). (1 + z) = (size now) / (size then) ...
... with respect to the size of the Universe when light left the galaxy (or quasar). (1 + z) = (size now) / (size then) ...
Level One
... That is the day the Hubble Space Telescope was launched on the first Shuttle mission after the Challenger disaster. Soon after Hubble’s launch, it was discovered that Hubble’s mirror was flawed and not producing clear, sharp imagery and NASA had a real problem on its hands. Despite this flaw, it was ...
... That is the day the Hubble Space Telescope was launched on the first Shuttle mission after the Challenger disaster. Soon after Hubble’s launch, it was discovered that Hubble’s mirror was flawed and not producing clear, sharp imagery and NASA had a real problem on its hands. Despite this flaw, it was ...
Ch. 26.5 - (www.ramsey.k12.nj.us).
... Galaxies are accelerating faster than they should be (based on the observable matter in the Universe). The acceleration due to gravity does not match up with the amount of matter that we can see. This tells us that there must be more mass … we’re just not seeing it. ...
... Galaxies are accelerating faster than they should be (based on the observable matter in the Universe). The acceleration due to gravity does not match up with the amount of matter that we can see. This tells us that there must be more mass … we’re just not seeing it. ...
Chapter 34: Cosmology FYI 1. Radar Ranging 2. Triangulation idea
... discrete spectrum from hydrogen atoms moving with a star or galaxy away from the viewer “Red Shift” – faster moving stars are farther away, ...
... discrete spectrum from hydrogen atoms moving with a star or galaxy away from the viewer “Red Shift” – faster moving stars are farther away, ...
AST101_lect_25
... Olber’s Paradox Suppose the universe is infinite • In whatever direction you look, you will see a star • The brightness of an individual star falls by the inverse square law: I ~ d-2 • The number of stars increases as d2 The night sky should be as bright as the surface of the Sun! ...
... Olber’s Paradox Suppose the universe is infinite • In whatever direction you look, you will see a star • The brightness of an individual star falls by the inverse square law: I ~ d-2 • The number of stars increases as d2 The night sky should be as bright as the surface of the Sun! ...
AST101 Lecture 25 Why is the Night Sky Dark?
... Olber’s Paradox Suppose the universe is infinite • In whatever direction you look, you will see a star • The brightness of an individual star falls by the inverse square law: I ~ d-2 • The number of stars increases as d2 The night sky should be as bright as the surface of the Sun! ...
... Olber’s Paradox Suppose the universe is infinite • In whatever direction you look, you will see a star • The brightness of an individual star falls by the inverse square law: I ~ d-2 • The number of stars increases as d2 The night sky should be as bright as the surface of the Sun! ...
Ch. 26.5: The Expanding Universe
... Galaxies are accelerating faster than they should be (based on the observable matter in the Universe). The acceleration due to gravity does not match up with the amount of matter that we can see. This tells us that there must be more mass … we’re just not seeing it. ...
... Galaxies are accelerating faster than they should be (based on the observable matter in the Universe). The acceleration due to gravity does not match up with the amount of matter that we can see. This tells us that there must be more mass … we’re just not seeing it. ...
HighRedshiftGalaxies
... the lower panel of this figure can be used to improve the mass estimate. Importantly, such a technique for determine accurate stellar masses can then be applied to all galaxies, regular or peculiar, irrespective of their dynamical state and over a range in redshift. The technique can be considered a ...
... the lower panel of this figure can be used to improve the mass estimate. Importantly, such a technique for determine accurate stellar masses can then be applied to all galaxies, regular or peculiar, irrespective of their dynamical state and over a range in redshift. The technique can be considered a ...
TA`s solution set
... 4) Our old friend ”Flat-Earth Fred” is up to some new tricks. He now believes that the Big Bang Model is bogus; he thinks that he lives in a static universe that is both infinitely large and eternally old. Describe what evidence you could provide that would convince Fred that the universe cannot be ...
... 4) Our old friend ”Flat-Earth Fred” is up to some new tricks. He now believes that the Big Bang Model is bogus; he thinks that he lives in a static universe that is both infinitely large and eternally old. Describe what evidence you could provide that would convince Fred that the universe cannot be ...
powerpoint
... seems to be a “dark matter” in the Universe. If there is enough dark matter, the universe could be “closed,” i.e. it may someday stop expanding and start contracting. 2) Very careful studies of the velocities of galaxies should be able to reveal if the rate of expansion is slowing down. However, the ...
... seems to be a “dark matter” in the Universe. If there is enough dark matter, the universe could be “closed,” i.e. it may someday stop expanding and start contracting. 2) Very careful studies of the velocities of galaxies should be able to reveal if the rate of expansion is slowing down. However, the ...
1 - UCSC Physics - University of California, Santa Cruz
... Sky & Telescope, March 3, 2005, by Robert Naeye A binary pulsar system provides an excellent laboratory for testing some of the most bizarre predictions of general relativity. The two pulsars in the J0737-3039 system are actually very far apart compared to their sizes. In a true scale model, if the ...
... Sky & Telescope, March 3, 2005, by Robert Naeye A binary pulsar system provides an excellent laboratory for testing some of the most bizarre predictions of general relativity. The two pulsars in the J0737-3039 system are actually very far apart compared to their sizes. In a true scale model, if the ...
Concept map-Rubric-final - Berkeley Center for Cosmological
... •13.7 billion years •Determined from Hubble constant—work backwards from present rate of expansion ...
... •13.7 billion years •Determined from Hubble constant—work backwards from present rate of expansion ...
PowerPoint Presentation - The Origin of the Universe
... – Start off with a binary star system – One star comes to end of its life – forms a “white dwarf” (made of helium, or carbon/oxygen) – White Dwarf starts to pull matter off other star… this adds to mass of white dwarf (accretion) – White dwarfs have a maximum possible mass… the ...
... – Start off with a binary star system – One star comes to end of its life – forms a “white dwarf” (made of helium, or carbon/oxygen) – White Dwarf starts to pull matter off other star… this adds to mass of white dwarf (accretion) – White dwarfs have a maximum possible mass… the ...
Solutions - UC Berkeley Astronomy w
... Supernovae are used as standard candles to measure distances to distant galaxies. This is then compared to the redshift of these galaxies, which provides their velocities. By comparing changes in the velocities at different distances (which corresponds to different times) we can infer whether there ...
... Supernovae are used as standard candles to measure distances to distant galaxies. This is then compared to the redshift of these galaxies, which provides their velocities. By comparing changes in the velocities at different distances (which corresponds to different times) we can infer whether there ...
Astrophysics Outline—Option E
... Suggest that the red-shift of light from galaxies indicates that the universe is expanding E.4.4 Describe both space and time as originating with the Big Bang E.4.5 Describe the discovery of cosmic microwave background (CMB) radiation by Penzias and Wilson E.4.6 Explain how cosmic radiation in the m ...
... Suggest that the red-shift of light from galaxies indicates that the universe is expanding E.4.4 Describe both space and time as originating with the Big Bang E.4.5 Describe the discovery of cosmic microwave background (CMB) radiation by Penzias and Wilson E.4.6 Explain how cosmic radiation in the m ...
Topic Outline - Physics Rocks!
... Define apparent brightness and state how it is measured. Wien’s law and the Stefan-Boltzmann law E.2.5 Apply the Stefan–Boltzmann law to compare the luminosities of different stars. E.2.4 ...
... Define apparent brightness and state how it is measured. Wien’s law and the Stefan-Boltzmann law E.2.5 Apply the Stefan–Boltzmann law to compare the luminosities of different stars. E.2.4 ...
What we will do today:
... 1. Stars / galaxies are moving away from us; 2. Cosmic microwave background radiation; and 3. The abundance of light elements • It is expanding in all directions with the space between each galaxy increasing as they move away from each other • “as fast as it can go, at the speed of light” – this lyr ...
... 1. Stars / galaxies are moving away from us; 2. Cosmic microwave background radiation; and 3. The abundance of light elements • It is expanding in all directions with the space between each galaxy increasing as they move away from each other • “as fast as it can go, at the speed of light” – this lyr ...
Unit 1
... • The raisins are fixed relative to the dough, but the dough expands, increasing the space between them. • Problem with these analogies – loaves and rubber bands have edges! – We have seen no ‘edge’ to the Universe; there are an equal number of galaxies in every direction! – Also, galaxies can move ...
... • The raisins are fixed relative to the dough, but the dough expands, increasing the space between them. • Problem with these analogies – loaves and rubber bands have edges! – We have seen no ‘edge’ to the Universe; there are an equal number of galaxies in every direction! – Also, galaxies can move ...
Chapter 30 Review
... the Milky Way by using gamma waves because they penetrate the interstellar gas and dust without being scattered or absorbed. ...
... the Milky Way by using gamma waves because they penetrate the interstellar gas and dust without being scattered or absorbed. ...