Definition of Assonance. Assonance is the repetition of a vowel sound or diphthong in non-rhyming words. To qualify as assonance, the words must be close enough for the repetition of the sound to be noticeable. Assonance is a common literary technique used in poetry and prose, and is widely found in English verse.
Nevertheless, scientists have been able to determine the probable age of the Solar System and to calculate an age for the Earth by assuming that the Earth and the rest of the solid bodies in the Solar System formed at the same time and are, therefore, of the same age.
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.