To refer which of the planets is which its like why do you have a name
Yes - all planets names begin with a capital letter.
The Outer planets are often referred to as Gaseous planets. The others are the "inner planets" or rocky planets.
8
no they do not
Going outward the planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
Natural satellites
Yes.
kepler
Uranus and Neptune.
2
mostly roman gods