Dark matter shakes space-time: Scientists know how to detect it

The authors of the study suggest that the nature of dark matter can be revealed using gravitational wave detectors.

A new study published in the Journal of Cosmology and Astroparticle Physics suggests that mysterious dark matter can be detected using detectors that look for gravitational waves, i.e. ripples in the fabric of space-time. Their existence was first predicted by Albert Einstein, and scientists first discovered them in 2015, according to LiveScience.

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Dark matter is a still unknown substance that does not emit, absorb or reflect light. But scientists believe it has a gravitational effect on ordinary matter, which is 5 times less abundant in the universe than dark matter. However, it is not yet known what this dark matter consists of and what properties it has.

There are many hypotheses trying to explain which particles the dark matter accumulating around galaxies consists of. The authors of the new study believe that dark matter consists of ultralight particles. From this, scientists assume that such particles behave like ordinary electromagnetic waves.

Due to these properties, dark matter causes slight vibrations in the space-time fabric. If dark matter is ultralight and truly behaves like a wave, its oscillatory motions could be detected using gravitational wave detectors, scientists say.

According to Einstein’s theory of general relativity, gravitational waves are ripples in the fabric of space-time. There are many theories about what causes these, but the important thing is that the events predicted by Einstein were first discovered in 2015 using the LIGO detector.

Scientists believe that next-generation detectors like this could detect dark matter particles that behave like waves because their vibrations are present within the solar system and reach Earth.

The study’s authors believe that new gravitational wave detectors deployed in space, such as LISA, will have the sensitivity necessary to detect dark matter particles. The new theory will only be tested in about 10 years, as the LISA detector is planned to be released in the mid-2030s.

Although scientists currently believe there are other ways to detect the oscillatory effect of dark matter on space-time. For example, this can be done using observations of rapidly rotating neutron stars.

Focus He has already written that if, as physicists hypothesize, dark matter is a dark version of ordinary matter, its particles could be detected using the Large Hadron Collider.

Moreover Focus He wrote that, as scientists suggested, you could create a crazy bomb using the power of a black hole. If possible, energy can be obtained from black holes.

Source: Focus


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