CK-12-Physics-Concepts - Intermediate

http://www.ck12.org Chapter 1. Introduction to Physics

1.5 References

1. Philosopher: Image copyright Cory Thoman, 2014; Tower: Pixabay:OpenClip. Philosopher: http://www.shut
   terstock.com; Tower: http://pixabay.com/en/pisa-tower-pisa-tower-landmark-144966/.


2. NASA. http://www.jpl.nasa.gov/news/news.php?feature=560.


3. Courtesy of NASA. http://www.nasa.gov/centers/marshall/about/marshallfaces/frazier.html.


4. Christopher Auyeung. CK-12 Foundation.


5. Courtesy of NASA. http://spaceflight.nasa.gov/gallery/images/shuttle/sts-101/html/jsc2000e10522.html.


6. Richard Parsons. CK-12 Foundation.


7. Serg C.. http://www.flickr.com/photos/k3k0/3975819685/. CC BY 2.0


8. Christopher Auyeung. CK-12 Foundation.


9. Christopher Auyeung. CK-12 Foundation.


10. Christopher Auyeung. CK-12 Foundation.


11. Christopher Auyeung. CK-12 Foundation.