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New Map Shows All the Matter in the Universe

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Researchers used data from dark energy surveys and the Antarctic Telescope to recalculate the abundance and distribution of matter in the universe. They found that there is about six times more dark matter than normal matter in the universe. This is a finding consistent with previous measurements.

But the team also found that the problem wasn’t as cohesive as previously thought. setting of three All of these papers appeared in Physical Review D this week.

of dark energy research Observe photons of light at visible wavelengths.of antarctic telescope We see light at microwave wavelengths. This means that the Antarctic Telescope is observing the cosmic microwave background radiation. This is the oldest radiation we can see, dating back about 300,000 years after the Big Bang.

The team presented the datasets from each survey in two blank maps. The two maps were then overlaid to get an overall picture of how matter is distributed in the universe.

Eric Baxter, an astronomer at the University of Hawaii and co-author of the paper, said:university research release“The high accuracy and robustness of the new results to sources of bias present a particularly compelling case that we may be beginning to discover holes in standard cosmological models.”

dark matter is something Universe that cannot be observed directly. We know it’s there because of gravity, but we can’t see it otherwise. Dark matter makes up about 27% of the universe, According to CERN(Normal matter is about 5% of the total content of the universe.) The remaining 68% Dark energy is a hitherto uncertain category that is evenly distributed throughout the universe and is responsible for the accelerating expansion of the universe.

Antarctic Telescope.

The Dark Energy Survey still has three years of data analyzed, and a new survey of the Cosmic Microwave Background is currently being conducted by the Antarctic Telescope. Meanwhile, the Atacama Space Telescope (high in the Chilean desert of the same name) is currently conducting a high-sensitivity survey of the background. With new and accurate data to scrutinize, Researchers standard cosmology Model hard tests.

2021, Atacama The telescope helped scientists invent a New precision measurement Age of the Universe: 13.77 billion yearsFurther examination of the cosmic microwave background could also help researchers address the discrepancy between the Hubble tension, the two best methods for measuring the expansion of the universe. (Depending on how it’s measured, researchers arrive at two different numbers for that magnification.)

As observational instruments become more accurate and more data is collected and analyzed, that information can be fed back into macrocosmological models to determine where we went wrong in the past and potentially lead to new investigations.

MORE: Antimatter could easily travel through our galaxy, physicists say

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