Examine the visible light image of the bullet cluster. what kind of cluster is it?

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Optical telescopes study the visible light from space and ultraviolet telescopes study very hot stars. Many of these types of light (such as x-rays, gamma-rays, most ultraviolet, and infrared) can only be studied from space because they are blocked by our atmosphere.

Answer humanism;

The theme of social protest remained a consistent focus for jacob lawrence throughout his career. in the 1960s lawrence was inspired by news reports and photographs, including images of segregated lunch counter sit-ins and stories of the   freedom riders in the civil rights movement. from the 1970s onward, lawrence's work focused less explicitly on contemporary social issues.