1 Thorium fuels can breed fissile uranium-233 to be used in various kinds of nuclear reactors. 2  Molten salt reactors are well suited to thorium fuel, as normal fuel fabrication is avoided.
Since Pluto has a much higher axial tilt of roughly 119.5 degrees, it has much larger arctic and antarctic circles, each stretching from roughly 29.5 degrees latitude to their respective poles. This means that at the peak of Plutoâs summer the area receiving the most direct sunlight is actually in the arctic circle.
Lying 30 to 50 times Earth's distance from the sun, Pluto is one of the coldest large bodies in the solar system. But despite the fact that it lies so far away, its temperature can shift enough over the course of its orbit to significantly impact the planet.ut in 2006, Pluto was reclassified as a dwarf planet due to its mass and the fact that it had failed to sweep its orbit clear early in its formation. As a Kuiper Belt Object, Pluto is one among millions of rocks and ices, all bearing similar temperatures.