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Sunday, May 13, 2012

Dark Matter


Dark matter is assumed to be the "adhesive" that holds significance to galaxies. The mysterious, invisible substance is made of the same type of material forming the star, planet and the person. The astronomer know little about dark matter, but has the biggest piece of the universe's mass. Have deduced the existence of dark matter by observing its gravitational influence on ghostly ordinary matter. One way to study dark matter and analyze what impacts between clusters of galaxies, the largest structure of the  universe. Cluster colliding galaxy, astronomers expect to accompany these dark matter. The intergalactic gas cloud, however, impact a cons others, delayed braking and after impact.

This theory was supported by the observations in visible light and X-rays of a colossal collision between two galaxy clusters, known as the Bullet Cluster, and other colliding clusters, including one known as "The Perry cluster" as described recently in the work of another team led by astronomer at UC Davis.

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