A gas giant is a giant planet composed mainly of hydrogen and helium. Jupiter
and Saturn are ... something of a misnomer, because throughout most of the
volume of all giant planets the pressure is s...
The other planets are not solid. Jupiter, for instance, is made up mostly of trapped
helium, hydrogen, and water. In our solar system, the four "gas giants" are ...
SUMMARY: The jovian planets are essentially big balls of gas, each ... Made
almost entirely of hydrogen and helium, these planets do not have solid surfaces.
Aug 25, 2015 ... Orbits and sizes are not shown to scale. Credit: NASA. A gas giant is a large
planet composed mostly of gases, such as hydrogen and helium, ...
Jan 22, 2016 ... The solar system is made up of the sun and everything that orbits around ... four
inner planets, through the Asteroid Belt to the four gas giants and on to ... It is not
alone — recent additions include Makemake, Haumea and Eris.
Nov 14, 2012 ... Unlike the rocky terrestrial planets, gas giants such as Saturn lack the ... not have
as much metallic hydrogen as the largest planet, Jupiter, but it ...
Unlike the first four planets, Jupiter is made mostly of frozen gases. These gases
... Pluto is the only planet that has not been visited by any type of spacecraft.
Dec 3, 2014 ... For starters, the inner planets are rocky and terrestrial, composed mostly of
silicates and metals, whereas the outer planets are gas giants. ... atmosphere, but
it's not just man-made objects that have trouble getting through.
Aug 9, 2009 ... ... on other planets in our Solar System, many people do not know the surface ...
Venus' atmosphere of thick, toxic clouds hides the planet's surface from view. ...
early astronomers believed were “man”-made and contained water. ... Jupiter is a
gas giant, so it has no solid surface just a core of liquid metals.
Jan 7, 2016 ... Here on Earth, we tend to take our atmosphere for granted, and not without
reason. ... the planet, whether it is a terrestrial or a gas/ice giant, the gases that ...
Earth's atmosphere, which is composed of nitrogen, oxygen, water ...