The four medium/large moons of Jupiter.
What is Io, Europa, Callisto, and Ganymede?
Thin, numerous, individual ice particles, orbiting it's equator
What are Saturn's rings?
Has substantial amounts of ice, enough gravity to be spherical, and orbits in the same direction as the planet rotation.
What are Medium and Large Moons?
The majority of the chemical composition, also found in Saturn, but not as much in Uranus and Neptune.
What is Hydrogen and Helium?
The most volcanically active body in the solar system.
What is Io?
Has existed for at least three centuries and is twice as wide as Earth.
What is the Great Red Spot?
What is a Jovian Core
A difference in gravitational pull on either side of a moon, and why Io gets heated by Jupiter.
What is Tidal Stretching
Layers under high pressures and temperatures, with no solid surface.
What is the Jovian Planet Interior?
The largest in the solar system with clear evidence of geological activity.
What is Ganymede?
Why Jupiter is not much larger than Saturn, despite being three times more massive, and why Jovian Planets with even more mass can be smaller than Jupiter.
What is Greater Compression?
A feature all four outer planets share, formed from dust created in impacts on moons orbiting around said planets.
What are Jovian Planet Rings?
Numerous and do not contain enough gravity to be spherical.
What are small moons?
A high pressure interior consisting of Hydrogen that changes phases with depth such as gaseous > liquid > metallic.
What is Jupiter's Interior?
A medium moon of Saturn with fountains of ice particles and water vapor on the surface indicating ongoing geological activity
What is Enceladus?
Metallic hydrogen that circulates inside Jupiter, despite not having a large metal core.
What is Jupiter's Capability of a Magnetic Field?
Absorbs red light and transmits blue light that its clouds reflect back into space to make the planets appear blue.
What is Methane Gas?
The repeated deformation of a body due to the tides of another body, arising due to variations in gravitational forces that generate friction in the interior.
What is Tidal Heating?
Denser than Saturn, due to having less Hydrogen and Helium, and mostly made of compounds such as Water (H2O), methane (CH4), and ammonia (NH3).
What is Uranus and Neptune?
A moon containing a magnetic field, has no orbital resonance and is known as a "classic" cratered ice-ball.
What is Callisto?
Ammonium sulfide clouds (NH4SH) that reflect red/brown, and the ammonia that reflects white.
What is Jupiter's reason for colors?
Tidal forces that prevent small 'moonlets' from accreting into larger moons, disrupted by impacts and blast off dust and debris.
What is Ring Formation?
Has surface ice that has been cracked by tidal stresses and has been considered to have an 'ocean' at some point.
What is Europa?
Compared to Jupiter and Saturn, Neptune and Uranus don't have this because they have lower pressures in their interiors.
What is Metallic Hydrogen?
The only moon with a thick atmosphere, consisting mostly of nitrogen, with some methane, argon, and ethane.
What is Titan?