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 ...
Aug 25, 2015 ... The solar system's outer planets — Jupiter, Saturn, Uranus and Neptune — are
mainly ... 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 ...
Why are the inner planets are made of rock and free of gas and the outer ... small
planets do not have a gravitational pull strong enough to hold lighter gases in, ...
If Jupiter and Saturn are gas giants, could you fly straight through them? ... So it
makes sense to think that a gas planet must be like a big, airy cloud floating out in
space. ... Scientists do not understand the properties of matter under the extreme
Apr 27, 2013 ... A theory surrounding the formation of giant planets of gas suggests that there is
almost definitely a core. This idea is called the bottom-up theory ...
Jul 5, 2016 ... Although mainly composed of gas, the outer planets also have other ... Jupiter is
not only the largest planet, it also has the most moons – 63 ...
Jun 25, 2016 ... 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.
Jan 8, 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 ...
Apr 26, 2016 ... Jupiter is mainly composed of hydrogen and helium just like a star. ... to 36,000 K.
The planet is not just a ball of gas that you would be able to ...