Classification of Galaxies
After having shown that The Great Spiral Nebula in Andromeda was in fact a galaxy in
its own right, Edwin Hubble went on to study galaxies in some detail. One of his
achievements was to set up a classification system for galaxie
Eclipsing Binary Simulator Student Guide
Complete the following section after reviewing the four background pages.
Question 1: Crudely describe where the center of mass is located relative to the two stars that
make up a binary s
Hubble's Law and the Expansion Rate of the Universe
This lab is based on the University of Washingtons Hubbles Law and the expansion of
the universe lab. The website where the images and spectra are located is maintained
by the University of Washington As
The Cosmic Distance Ladder Student Guide
The Cosmic Distance Ladder Module consists of material on seven different
distance determination techniques. Four of the techniques have external simulators in
addition to the background pages. You
The Hydrogen Atom Student Guide
Carefully read the background pages entitled Energy Levels, Light, and Transitions and
answer the following questions to check your understanding.
Question 1: Complete the following table which com
Blackbody Curves & UBV Filters Student Guide
Thoroughly review the Spectra and Filters background pages. The color index page may also
be helpful to review.
Filters Simulator Overview
The filters simulator allows one to observe l
HR Diagram Student Guide
Work through the background sections on Spectral Classification, Luminosity, and the
Hertzsprung-Russell Diagram. Then complete the following questions related to the background
Name _ Section _
Application Exercise: Spectral Classification of Stars
To learn the basic techniques and criteria of the spectral classification sequence by:
examining and classifying spectra according to the strength of the hydrogen Balmer a
Astronomy 1021 Hubbles Law Worksheet
Worksheet for recording values and calculations.
Distance = true size /
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Proper Motion of a Star
In this exercise you will measure the proper motion of Barnards Star and use it, with
a given parallax and radial velocity, to determine the space motion of the star.
Lenses and Telescopes
In this lab, you will examine the properties of lenses that allow them to form images. At the end of the
activity, you will construct a simple telescope on an optical bench.
At the beginnin
The purpose of this lab is to learn about spectrometers by studying a simple one then using it to study
the spectra of a light bulb, a fluorescent bulb and elemental gas tubes.
A spectrometer consists
SDSS Scavenger Hunt
Surveys of the night sky by large telescopes have been done numerous times in
the past. One of the early surveys was conducted by the 48-inch Oschin Schmidt
telescope at the Palomar Observatory in California in the late 1950s: The