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Chapter 27: Stars and Galaxies

Our Star, the Sun
This site gives an explanation of the various radiation from the sun, including the Van Allen belts, an MPG movie showing sunspots, and an explanation of how these radiation affect humans and the earth. How does the sun's activity affect our lives?

Sun Picture List
The University of Arizona has posted various pictures and movies of the sun. Download some of these files and then give a presentation to your class explaining the solar phenomena.

SDAC Home Page
This is the home page for the Solar Data Analysis Center and includes the latest news and observations of our sun. Periodically check this site and make your own solar class newsletter.

Phenomena Cross Reference - DOPPLER EFFECT
Visit this page to see an animation demonstrating the Doppler Effect. How do sound waves and electromagnetic waves behave similarly with this effect?

The Doppler Shift
Ask a NASA scientist about the Doppler shift. Here is the answer and detailed explanation. Use your own words to write an explanation of the Doppler shift in your science journal.

Virtual Trips to Black Holes and Neutron Stars
Visit this site to learn more about black holes and neutron stars. View the MPEG video of a virtual trip into a black hole. Then write a short story about an expedition to find a black hole.

Unit 8: Astronomy

NASA
This is NASA’s home page, with daily updates and links to the countless NASA sites. Make a class newsletter that runs updates on NASA news.

Electromagnetic Spectrum
This page offers a nice review of the electromagnetic spectrum. With a partner, make a poster that shows the different wavelengths of the spectrum.

Welcome to the Mars Mission!
A tour of the current Mars missions: Sojourner, Pathfinder, and Surveyor. As a small group, put together a news report that explains NASA's latest efforts to survey the red planet.

ASTRONOMY Magazine
This is the Web page for Astronomy, the world's largest English-language magazine for astronomy enthusiasts. Use this online magazine to research recent astronomy news and write your own news article.