Item:Q4688: Difference between revisions
Created a new Item: interstellar medium, matter and radiation in the space between the star systems in a galaxy |
Created claim: part of (P7): outer space (Q4541) |
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| Property / instance of: astronomical object type / rank | |||
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| Property / subclass of: astronomical object / rank | |||
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| Property / part of: outer space / rank | |||
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