For nearly a century, astronomers have been striving to measure the rate at which the Universe is expanding. Two main methods have been used: one based on observations of the cosmic microwave ...
Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...
A new Utah Valley University study is providing new evidence in a debate astronomers across the world haven’t been able to agree on — how fast the universe is expanding. The findings may add more fuel ...
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Are astronomers wrong about dark energy? New study casts doubt on universe’s accelerating expansion
A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.
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