The Week in Space
With its nuclear fuel now exhausted, time is running out on the central star of this the Hourglass Nebula.
Credit: Image Credit: NASA, WFPC2, HST, R. Sahai and J. Trauger (JPL)
With its nuclear fuel now exhausted, time is running out on the central star of this the Hourglass Nebula.
Credit: Image Credit: NASA, WFPC2, HST, R. Sahai and J. Trauger (JPL)
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