How many moons does Jupiter have?
by 
wickedwillie
ANSWERS: 4
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Jupiter has at least 63 known moons. The largest four are called Io, Europa, Ganymede and Callisto. These four moons are called the Galilean satellites because they were first seen in 1610 by the astronomer Galileo Galilei. Ganymede is the largest moon in the solar system, with a diameter of 3,260 miles. Io has a lot of active volcanoes and is covered with sulfer. Callisto may have a water ocean beneath its heavily cratered icy, rocky surface. Europa, which is covered by a cracked, icy surface, may also have a liquid water ocean. The other moons are smaller and have irregular shapes. Most of these small moons are thought to be asteroids which were caught by Jupiter's strong gravity. --SOURCE: http://coolcosmos.ipac.caltech.edu/cosmic_kids/AskKids/jupiter_moons.shtml
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98
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63, but the latter ones are lacking any real names sadly. I'd hate to be just a serial number, how boring. Moons: 1. Io 2. Europa 3. Ganymede 4. Callisto 5. Amalthea 6. Himalia 7. Elara 8. Pasiphae 9. Sinope 10. Lysithea 11. Carme 12. Ananke 13. Leda 14. Thebe 15. Adrastea 16. Metis 17. Callirrhoe 18. Themisto 19. Megaclite 20. Taygete 21. Chaldene 22. Harpalyke 23. Kalyke 24. Iocaste 25. Erinome 26. Isonoe 27. Praxidike 28. Autonoe 29. Thyone 30. Hermippe 31. Aitne 32. Eurydome 33. Euanthe 34. Euporie 35. Orthosie 36. Sponde 37. Kale 38. Pasithee 39. Hegemone 40. Mneme 41. Aoede 42. Thelxinoe 43. Arche 44. Kallichore 45. Helike 46. Carpo 47. Eukelade 48. Cyllene 49. Kore 50. S/2003 J2 51. S/2003 J3 52. S/2003 J4 53. S/2000 J11 54. S/2000 J5 55. S/2003 J9 56. S/2003 J10 57. S/2003 J12 58. S/2003 J15 59. S/2003 J16 60. S/2003 J17 61. S/2003 J18 62. S/2003 J19 63. S/2003 J23 Moons: http://solarsystem.nasa.gov/planets/profile.cfm?Display=Moons&Object=Jupiter
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