JonF
Member (Idle past 196 days) Posts: 6174 Joined: 06-23-2003
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Message 810 of 948 (841715)
10-20-2018 10:58 AM
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Reply to: Message 809 by creation 10-20-2018 10:10 AM
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Re: Voyager 1 enters new space ... maybe
We've measured time at SN1987A by observing the rate of decay of known radioactive elements.
This message is a reply to: | | Message 809 by creation, posted 10-20-2018 10:10 AM | | creation has not replied |
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