Composition:
* Pluto: Pluto is primarily composed of rock and ice (nitrogen, methane, and carbon monoxide).
* Gas Planets: Gas giants are made up of mostly hydrogen and helium, with varying amounts of heavier elements in their cores.
Size:
* Pluto: Pluto is significantly smaller than any gas planet, with a diameter of about 2,376 kilometers.
* Gas Planets: Gas giants have diameters ranging from 49,528 kilometers (Neptune) to 142,984 kilometers (Jupiter).
Atmosphere:
* Pluto: Pluto has a very thin atmosphere, composed of nitrogen, methane, and carbon monoxide, that freezes and collapses when it gets farther from the sun.
* Gas Planets: Gas planets have thick, deep atmospheres that extend far below their visible surfaces.
Internal Structure:
* Pluto: Pluto has a rocky core surrounded by a mantle of ice.
* Gas Planets: Gas planets have a small, dense core surrounded by layers of liquid hydrogen, metallic hydrogen, and a thick gaseous outer layer.
Moons:
* Pluto: Pluto has five known moons, the largest being Charon, which is almost half its size.
* Gas Planets: Gas planets have many moons, with Jupiter having 79 and Saturn having 82.
Orbit:
* Pluto: Pluto's orbit is highly elliptical and inclined, which is why it was reclassified as a dwarf planet.
* Gas Planets: Gas planets orbit the sun in relatively circular paths, closer to the ecliptic plane.
Temperature:
* Pluto: Pluto's surface temperature is extremely cold, around -234 degrees Celsius (-387 degrees Fahrenheit).
* Gas Planets: Gas planets have varying temperatures depending on their distance from the sun, but their internal temperatures are much higher than their surface temperatures.
Classification:
* Pluto: Pluto is classified as a dwarf planet.
* Gas Planets: Gas planets are classified as giant planets.
In summary, Pluto is a small, icy body with a thin atmosphere and a rocky core. Gas planets are much larger, mostly composed of hydrogen and helium, with thick atmospheres and deep interiors.