Hubble Space Telescope shows new images of planetary nebula

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 Hubble Space Telescope shows new images of planetary nebula


The strange shape of each Nebula suggests a pair of stars in a binary system. In such a system, the orbits of stars are so close that they eventually interact to create a cast disk around one or two stars. The disk then emits a jet, which causes the gas to crack and expand along the pole. Scientists have been unable to see the suspected companion stars in these nebulae. Researchers believe that this may be because these companion stars are close to or have been swallowed by larger and brighter red giant stars.

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