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Restricted to Specific Topic: Cosmic Time and Distance
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Results #1-#10 of 12
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Determining the Extragalactic Distance Scale 
  
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Match Score:
100
Author:
Dutkevitch, Diane
Main Level:
Lower Undergraduate
Subjects:
Astronomy / Cosmic Time and Distance / Distance Scales
Astronomy / Fundamentals
Astronomy / Stars
Astronomy / Cosmology
Astronomy / Cosmic Time and Distance / Cepheids
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In this activity students find a number of Cepheid variables in the galaxy M100. They then use their periods, average apparent magnitudes, and the Period-Luminosity relationships to determine the distance ...
http://astro.wku.edu/labs/m100/
Sloan Digital Sky Survey: The Hubble Diagram 
  
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Match Score:
100
Publisher:
Sloan Digital Sky Survey
Main Level:
Lower Undergraduate
Subjects:
Astronomy / Cosmic Time and Distance / Distance Scales
Astronomy / Cosmology / Expansion of the Universe
Astronomy / Cosmic Time and Distance / Hubble's Law
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This section of the Sloan Digital Sky Survey's website provides an excellent explanation of how Astronomers are able to use red-shift to explain the expansion of the universe. An activity is provided for a ...
http://cas.sdss.org/dr5/en/proj/advanced/hubble/
The Hubble Law 
  
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Match Score:
100
Author:
University of Oregon Physics Department
Main Level:
Upper Undergraduate
Subjects:
Astronomy / Galaxies / Galactic Structure
Astronomy / Stars
Astronomy / Cosmic Time and Distance / Distance Scales
 Post a comment
Here students will have an opportunity to measure redshifts for several galaxies using a set of common spectral lines here. While the spectra that students will be using have many lines (emission and absorption) ...
http://zebu.uoregon.edu/nsf/hub.html
A Review of the Universe - Structures, Evolutions, Observations, and Theories 
  
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Match Score:
100
Author:
unknown, unknown
Main Level:
Lower Undergraduate
Subjects:
Astronomy / Cosmic Time and Distance / Cosmic Ages
Astronomy / Cosmology / Large-Scale Structure
Modern Physics / Elementary Particles
Other Sciences / Chemistry
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This website presents, in textbook format, the structure of the universe from atoms to galactic superclusters, images and discussions of what we can (and have) observed in the universe, and current theories ...
http://universe-review.ca/index.htm
Parallax 
  
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Match Score:
100
Author:
Stern, David
Main Level:
Lower Undergraduate
Subject:
Astronomy / Cosmic Time and Distance / Parallax
 Post a comment
This web page outlines the math and applications of parallax. Parallax is the shift in the apparent direction to an object when it is viewed from two separated locations. It allows the object's distance to ...
http://www.phy6.org/stargaze/Sparalax.htm
Trigonometric Parallax Movie 
  
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Match Score:
100
Author:
Pogge, Richard W.
Main Level:
Lower Undergraduate
Subject:
Astronomy / Cosmic Time and Distance / Parallax
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This movie demonstrates trigonometric parallax. The top half of each frame shows the appearance of a star in the sky as seen from the Earth, and the bottom half shows a fixed view looking down onto the plane ...
http://www.astronomy.ohio-state.edu/~pogge/Ast162/Movies/parallax.html
Doppler Effect 
  
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Match Score:
100
Author:
Calvert, J.
Main Level:
Upper Undergraduate
Subjects:
Electricity & Magnetism / Electromagnetic Radiation
Astronomy / Cosmic Time and Distance / Parallax
Light / General
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The text is on the classical doppler effect, the relativistic doppler effect, aberration, and the transverse doppler effect. It also discusses wave fronts, first-order and second order effect, light-time ...
http://mysite.du.edu/~jcalvert/phys/doppler.htm
Astronomy Web Simulations 
  
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Match Score:
100
Author:
Herter, Terry
Main Level:
Lower Undergraduate
Subjects:
Astronomy / Stars
Astronomy / Stars / Stellar Evolution
Astronomy / Stars / Binary Stars
Astronomy / Cosmic Time and Distance / Parallax
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This page contains four interactive simulations on stellar astronomy. The first simulation, Stellar Parallax, shows how parallax varies with stellar distance. The second simulation, Eclipsing Binary Stars, ...
http://astrosun2.astro.cornell.edu/academics/courses/astro101/herter/jav...
The Cosmic Distance Scale 
  
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Match Score:
100
Author:
Larson, Ana
Main Level:
Lower Undergraduate
Subjects:
Astronomy / Cosmic Time and Distance / Distance Scales
Astronomy / Cosmic Time and Distance / Parallax
 Post a comment
This series of web-based exercises takes students on an interactive tour measuring cosmic distances. The exercises systematically steps out in scale from the familiar world of everyday objects to larger and ...
http://www.astro.washington.edu/courses/labs/Distance_Ladder.html
The Expanding Universe 
  
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Match Score:
100
Author:
Slater, Tim
Main Level:
Lower Undergraduate
Subjects:
Astronomy / Cosmic Time and Distance / Distance Scales
Astronomy / Astronomy Education
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This activity used balloons to model the expansion of the universe. Distances between points on the balloon are measured when the balloons are inflated. Questions help students probe their understanding ...
http://solar.physics.montana.edu/tslater/plunger/expand.htm
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Results #1-#10 of 12

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