10:06:09 Jovian Planets

10:06:09 Jovian Planets - JovianPlanets...

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Jovian Planets 06/10/2009 07:52:00 A Different kind of Planets Bigger and more massive Lower density, different composition Rings Numerous moons “Giant Planets” Some planets never were anything like the Earth More mass available for planets at somewhat larger distances from the Sun,  and it is colder out there Note:  most extra solar planet searches are much more sensitive to Jupiter’s  than Earths Jupiter, Saturn can be seen with naked eye. Uranus and Neptune discovered  with telescopes Studied both with spacecraft and telescopes on the ground. What are the Jovian planets made of? They are mostly hydrogen and helium, especially Jupiter and Saturn. Uranus  and Neptune have some additional hydrogen compounds They all have roughly the same rocky core of about 10 Earth masses Why are they different from terrestrial planets and each other?  
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10:06:09 Jovian Planets - JovianPlanets...

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