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| abstraction > mathematical concept > number > constant > astronomical constant > Hubble radius |
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| Hubble radius comparison table | ||||||
| Subject | is an instance of | has unit | is a kind of | has symbol | has value | has definition |
|---|---|---|---|---|---|---|
| astronomical constant | constant | |||||
| radius | length unit | length | ||||
| Hubble radius | radius | length unit | c/H | > 1027 cm | The radius of the observable universe (). |
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