Exploration of Jupiter disadvantages for colonization because of the severe radiation conditions prevailing in Jupiter's magnetosphere and the planet's particularly deep gravitational well. Jupiter would deliver about 36 Sv (3600 rem) per day to unshielded colonists at Io and about 5.4 Sv (540 rems) per day to unshielded colonists at Europa, which is a decisive aspect due to the fact that already an exposure to about 0.75 Sv over a period of a few days is enough to cause radiation poisoning, and about 5 Sv over a few days is fatal. Ganymede is the Solar System's largest moon and the Solar System's only
Benefic planet The Sun and Mars Malefic planets – Mercury, Venus, The Moon, and Saturn Neutral planet – Jupiter Benefic planets – Venus and Mercury. Malefic planets –Jupiter, The Moon, and Mars Neutral planet – The Sun Benefic planets – Saturn and Mercury. Malefic planets – Mars, The Sun, Jupiter, and Mars Neutral planet – The Moon and Venus Benefic planets – The Moon, The Sun and Jupiter Malefic planets – Mercury and Venus Neutral planet – Saturn and Mars Benefic planets – Mars, The Sun and Jupiter Malefic planets – Mercury, Venus, and The Moon Neutral planet – none Benefic planets