http://www.ck12.org Chapter 25. Relativity
25.3 References
- Samantha Bacic (CK-12 Foundation), using images copyright Lyudmyla Kharlamova, 2014; BORTEL Pavel
- Pavelmidi, 2014; TyBy, 2014. http://www.shutterstock.com.
- Samantha Bacic (CK-12 Foundation), using images copyright apartment, 2014 and Andres Barrero, 2014.
http://www.shutterstock.com. - Samantha Bacic. CK-12 Foundation.
- Samantha Bacic. CK-12 Foundation.
- Samantha Bacic. CK-12 Foundation.
- Samantha Bacic. CK-12 Foundation.
- Samantha Bacic. CK-12 Foundation.
- Samantha Bacic. CK-12 Foundation.
- X-ray: NASA/CXC/SAO/G. Fabbiano et al; Optical: NASA/STScI. http://commons.wikimedia.org/wiki/Fi
le:NGC_3393_Double_supermassive_blackhole.jpg. - CK-12 Foundation - Samantha Bacic, using map image copyright Volina, 2014. http://www.shutterstock.com
. - CK-12 Foundation - Samantha Bacic, using map image copyright CashMedia, 2014. http://www.shutterstock.
com. - Samantha Bacic. CK-12 Foundation.
- Samantha Bacic. CK-12 Foundation.
- Samantha Bacic. CK-12 Foundation.