Sources
Carr, Michael H. et. al. "Evidence for a
Subsurface Ocean on Europa." Nature 391 (1998): 363-65. Web.
"Europa Clipper." NASA. JPL, n.d.
Web. 20 Apr. 2015.
<http://www.jpl.nasa.gov/missions/details.php?id=6002>.
"Galileo: Facts & Figures." Solar
System Exploration. N.p., n.d. Web. 20 Apr. 2015.
<https://solarsystem.nasa.gov/galileo/facts.cfm>.
"Images of Europa." JPL Photojournal.
JPL, n.d. Web. 20 Apr. 2015.
<http://photojournal.jpl.nasa.gov/target/Europa>.
"JUICE." CNES.fr. CNES, 10 Apr.
2015. Web. 20 Apr. 2015. <http://smsc.cnes.fr/JUICE/>.
"Jupiter's Moon Europa." Solar Views.
N.p., n.d. Web. 20 Apr. 2015.
<http://solarviews.com/eng/europa.htm>.
Khuruna, Krishan K. et. al. "Searching
for Liquid Water in Europa by Using Surface Observations."
Astrobiology 2 (2002): 90-103. Web.
Kivelson, M. G. et. al. "Europa and
Callisto: Induced or Intrinsic Fields in a Periodically Varying
Plasma Environment." Journal of Geophysical Research 105
(1999): 4609-625. Web.
Kivelson, Margaret A. et. al. "Galileo
Magnetometer Measurements: A Stronger Case for a Subsurface Ocean at
Europa." Science 289 (2000): 1340-343. Web.
"Missions - Galileo." NASA Science.
NASA, n.d. Web. 20 Apr. 2015.
<http://science.nasa.gov/missions/galileo/>.
Rosen, Meghan. "The Ice of a Distant
Moon." Science News (2014): 20-24. Web.
"Voyager - The Interstellar Mission."
NASA. JPL, n.d. Web. 20 Apr. 2015.
<http://voyager.jpl.nasa.gov/>.