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An expanding Bubble in space, 2000.

An expanding Bubble in space, 2000.
4 0 c m
actual image size: 32cm x 32cm


Astronomers, using the Wide Field Planetary Camera 2 on board NASA's Hubble Space Telescope imaged the Bubble Nebula (NGC 7635) with unprecented clarity. for the first time they are able to understand the geometry and dynamics of this very complicated system. Earlier images were taken with the Wide Field Planetary Camera 1 and left many isues unanswered, as the data could not be fully calibrated for scientific use. The remarkabley spherical 'bubble' marks the boundary between an intense wind of particles from the star and the more quiescent interior of the nebula.

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© National Aeronautics & Space Administration / Science & Society

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