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After 20 years, scientists finally explain the Crab Pulsar’s strange “zebra stripes”

For decades, astronomers have been puzzled by strange “zebra stripe” patterns in radio waves from the Crab Pulsar — bright bands separated by complete darkness. Now, new research suggests the answer lies in a cosmic tug-of-war between gravity and plasma. The pulsar’s plasma spreads light apart, while gravity bends it back together, creating interference patterns that form the striking stripes.

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