Alliteration: Alliteration is a special case of consonance and refers to the repetition of consonant sounds or blends at the beginning of words or in the stressed syllables of a line. Since consonance may happen anywhere in a word, the concepts are related but not identical.
How Old is the Solar System? How old is the Solar System? That is a question that cuts to the heart of it all. By studying several things, mostly meteorites, and using radioactive dating techniques, specifically looking at daughter isotopes, scientists have determined that the Solar System is 4.6 billion years old.
How do scientists figure out Earthâs age? In the early part of the 20th century, scientists still werenât sure how old Earth is. Nowadays, scientists use radiometric dating of various sorts of rock â both earthly and extraterrestrial â to pinpoint Earthâs age. Many great thinkers throughout history have tried to figure out Earthâs age.