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An Expanding Bubble in Space

An Expanding Bubble in Space


Depicts: NGC 7635, The Bubble Nebula
Copyright: NASA, Donald Walter (South Carolina State University), Paul Scowen and Brian Moore (Arizona State University)

Astronomers, using the Wide Field Planetary Camera 2 on board the Hubble Space Telescope in October and November 1997 and April 1999, imaged the Bubble Nebula (NGC 7635) with unprecedented clarity. For the first time, they are able to understand the geometry and dynamics of this very complicated system. Earlier pictures taken of the nebula with the Wide Field Planetary Camera 1 left many issues unanswered, as the data could not be fully calibrated for scientific use. In addition, those data never imaged the enigmatic inner structure presented here.
Last Update: 1 September 2019
30-Sep-2022 00:02 UT

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