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When Did the Solar System Begin to Form?

The solar system began to form when a massive cloud of dust and gas known as the solar nebula collapsed. This happened 4.6 billion years ago. During the collapse of this nebula, the densest material was drawn inwards, forming our sun. This was probably caused by a nearby star’s supernova, which sent shock waves that…

Epistemology – What Knowledge Is and Why It Is Valuable

The field of epistemology studies what knowledge is, how it can be acquired and why it is valuable. It is the primary subject of philosophical inquiry. Knowledge can be divided into three broad categories: personal, procedural and propositional. Philosophers divide knowledge into these categories because they consider different kinds of truth claims to be more…