Dark matters are those unseen matters in the universe which do not interact with light or any other electromagnetic radiant. It can not be seen directly but it can be discovered by preceding its gravitational effect. The scientist are unable to directly remark the dark matter since they do not emit light or energy.
Dark matter composed of both baryonic and non-baryonic matter. Baryonic matter include protons, neutrons and all other object composed of them. Regardless of many hypotheses on the existence of it, no one could distinctly define what actually the dark matter composed of. It’s not identify under the scientific instrument, actually, its existence is discover by preceding its gravitational effect.
But the scientist recently discovered the dark matter which is non-interactive with others structures in the universe. Dark matter candidates arise frequently in theories that suggest physics beyond the Standard Model, such as super symmetry and extra dimensions.
Based on the 50 years accumulated observation of the motion of galaxies and the expansion of the universe. Most of the astronomers conclude that as much as 90% of the matters in the universe is invisible. Discovering these dark matters will help astronomers better understand the universe’s destiny.
So lastly, remain optimistic that we will soon know much more about galaxy and dark matter to unlock the mysteries of the universe and it’s secret.
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