Solar System their mass, orbit, and distance from the Sun, with a possibly significant contribution from comets. The Sun, which comprises nearly all the matter in the Solar System, is composed of roughly 98% hydrogen and helium. Jupiter and Saturn, which comprise nearly all the remaining matter, are also primarily composed of hydrogen and helium. A composition gradient exists in the Solar System, created by heat and light pressure from the Sun; those objects closer to the Sun, which are more affected by heat and light pressure, are composed of elements with high melting points. Objects farther from the Sun are composed
The empire on which the sun never sets Empire". From the mid-nineteenth century, the image of the sun never setting can be found applied to Anglophone culture, explicitly including both the British Empire and the United States, for example in a speech by Alexander Campbell in 1852: "To Britain and America God has granted the possession of the new world; and because the sun never sets upon our religion, our language and our arts...". By the end of the century, the phrase was also being applied to the United States alone. An 1897 magazine article titled "The Greatest Nation on Earth" boasted, "[T]he sun never sets on Uncle