Any test of night vision, which makes use of the normal range of dark adaptation of healthy persons as a standard by which to evaluate abnormal states, requires to take into account this ...

Combining that data with state-of-the-art observations of the cosmic microwave background, they found a tension with Lambda-CDM of 3.2 sigma that disappears when dark energy is presumed to change.

where in most clusters the plasma and dark matter occupy the same regions. Using fluctuations in the cosmic microwave background (CMB), astronomers determined that dark matter is about 27% of the ...

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