The sands of time are running out for the central star
from APOD http://ift.tt/1EnPsMR
The post MyCn18: An Hourglass Planetary Nebula appeared first on Crafty Puzzles.
from WordPress http://ift.tt/1KZt4xJ
The sands of time are running out for the central star
from APOD http://ift.tt/1EnPsMR
The post MyCn18: An Hourglass Planetary Nebula appeared first on Crafty Puzzles.
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