5/20/2023 0 Comments Lend me your ears figure of speech(12) In seconds, under unimaginable pressure, the core heats to billions of degrees and the outer portion explodes, releasing more energy than a billion nuclear bombs. ![]() (11) When fusion stops, the star collapses in on itself, forcing the core into a super-dense orb only a few miles in diameter (remember, it contains all the matter of the star-upwards of one million planet Earths). (10) Fusion continues until the point in which most of the elements have been converted to iron and cannot be burned by the star, which stops burning. (9) Lighter elements in the star, such as hydrogen and helium, fuse together to form heavier elements such as carbon and oxygen. (8) The event begins when the fusion of a star stagnates after billions of years of consuming the star's fuel. (6) But what had the ancients just witnessed? (7) Modem scientists presume that the ancients saw a supernova, the explosion that occurs when certain stars die. (5) The light was no longer visible to the naked eye. (3) The astronomers called the light a "guest star." (4) Within a year, the light from the "visitor," as the Chinese also referred to it, could no longer be seen. (2) The point of light grew in intensity until it was visible even during the day. ![]() (1) In the year AD 386, Chinese astronomers saw a tiny flash in the night sky. The question will require you to make decisions regarding the revision of the reading selection. Read the following passage and then answer the multiple-choice questions that follow.
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