A team of planetary scientists from the California Institute of Technology have published a paper documenting strong circumstantial evidence for a large planet with an orbit outside of Pluto’s. This yet-undiscovered planet is hypothesized to be smaller than Neptune, but would be 10-times more massive than Earth, and comes no closer than 30.5 billion km (19 billion miles) to the Sun.
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Despite the fact that it is believed to make up around eighty per cent of the matter in the universe, so-called "dark matter" remains an enigma to scientists. It is totally invisible as it neither absorbs or emits light, and its presence has so far been determined only via its gravitational interaction with visible matter.
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Like it or not, mathematics underpins our whole existence, either by conscious design or through natural selection. Our ancestors were very appreciative of the significance of mathematics, illustrated by the precise geometric alignments that have been observed in the construction and placements of ancient monuments on earth, such as Stonehenge and the pyramids, that align them with other monuments nearby, and also with astronomical events such as sunrise or sunset.
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After an amazing ten year journey, the Rosetta mission landed its module Philae on the surface of Comet 67P/Churyumov–Gerasimenko at 16:03 GMT on Wednesday.
Rosetta was launched on 2 March 2004 on an Ariane 5 rocket, and has already made history by becoming the first spacecraft to orbit a comet after it reached its long-awaited destination on August 6th 2014.
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