History of Solar System formation and evolution hypotheses with Uranus having a 98° tilt. The Moon being relatively large with respect to the Earth and other moons which are in irregular orbits with respect to their planet is yet another issue. It is now believed these observations are explained by events which happened after the initial formation of the Solar System. Attempts to isolate the physical source of the Sun's energy, and thus determine when and how it might ultimately run out, began in the 19th century. At that time, the prevailing scientific view on the source of the Sun's heat was that it was generated by gravitational
Planet Master Super Villains. The first Planet Master uses weapons based on the planets. The second Planet Master could simulate the conditions typical to any of the nine planets in our solar system. For example, he can use the speed of Mercury, the heat of Mars, the strength of Jupiter, the rings of Saturn, and the cold of Pluto. Planet Master appears in the "" episode "Aquaman's Outrageous Adventure," voiced by Stephen Root. Although he has the appearance of the Irving Norbert version of Planet Master, his powers are similar to the second Planet Master. While stopping in a Western theme-park town