Scientists question dark energy’s stability, raising new theories about the universe’s future

©NSF’s NoirLab via AP Pre-reading questions: I will read each question. Then, please answer them. Can you think of any forces in the universe that might change over time? What do you know about dark energy? Vocabulary: I will read the words, meanings, and sample sentences. Then, repeat after me. expansion /ik-SPAN-shuhn/ [noun] – the act of increasing in size, number, or importance The expansion of the city has led to more jobs. raise /reyz/ [verb] – to bring up or cause something to be discussed or considered The new evidence has raised concerns about the safety of the building. weaken /WEE-kuhn/ [verb] – to make something weaker or less…
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