- a black hole
- a dust cloud/nebula
- stars that include the O B A F G K M L classification
- a Cepheid variable
- a globular cluster
- a solar system
- some dark matter
- halo stars
- gravitational lens
Along with this you will need to include a series of two post-it note explanations for each component of the galaxy. Post its are on the table. The first note should an explanation of the component, and the second note should provide some idea of why I should be interested in the piece at all?
There are sooooooooooo many links out there to research these pieces that I've only provided a few. Consider the source---in this case, Wikipedia does very little to inspire interest, even though it does tell you something about the pieces
http://chandra.harvard.edu/xray_sources/stellar_evolution.html
Understanding 21-cm Lines
Now that you have your turntable, let's stop and think.
You are in a car on a snowy night. The heater and radio are running as you put it in gear and pull out of the parking lot. You travel down the street and turn to head home. Suddenly, a gust of violent wind makes a temporary whiteout, and you have to cope. Suddenly, your cell phone rings.
What wavelengths of light are affecting you at this moment?
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Part II (start after about 50 minutes, if you have time)
How accurate is Eric Idle's song? http://en.wikipedia.org/wiki/Galaxy_Song (be ready for discussion)
Seeing Galaxies takes some practice, so going to here will be a good start. It should take about 20 minutes to read through and see the galaxy types.
Next, go to the SDSS database, which took pictures for the first web site. You will be learning about galaxies, and going through the first 2 exercises and the first 4 questions. Take the time to collect the data on paper, and hand in what you have completed at the end of the hour.
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