Talk:Kepler's Supernova: Difference between revisions
Adding/updating {{OnThisDay}} for 2010-10-17. Errors? User:AnomieBOT/shutoff/OnThisDayTagger |
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: If you know something the author didn't, you're allowed and even encouraged to correct the article. However, the sentence you propose would definitely not improve the article. I've removed the statement that offends you as it is indeed a bit silly and unscientific. I've also messed up the lay-out a bit, I hope someone can improve this. [[User:Pietdesomere|Piet]] 16:13, 17 October 2005 (UTC) |
: If you know something the author didn't, you're allowed and even encouraged to correct the article. However, the sentence you propose would definitely not improve the article. I've removed the statement that offends you as it is indeed a bit silly and unscientific. I've also messed up the lay-out a bit, I hope someone can improve this. [[User:Pietdesomere|Piet]] 16:13, 17 October 2005 (UTC) |
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The last I heard, we measure our experience of time here on Earth using clocks that are also here on Earth. With respect to our own frame of reference, which is a perfectly valid and useful frame of reference, we experience the event in question as having occurred about 18,000 of our years ago. The idea that we need to know what a clock read at the supernova in order to figure out when the event happened as we see it, and that we have to burden our discourse with long-winded relativistic blither to do so, seems neurotically over-complicated to me. |
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[[Special:Contributions/98.243.173.66|98.243.173.66]] ([[User talk:98.243.173.66|talk]]) 19:54, 3 February 2012 (UTC) |
Revision as of 19:54, 3 February 2012
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Read some help pages then. Its fun. /Ulvbot
Caveman analogy is scientifically wrong
>Since 6 kiloparsecs is ca. 20,000 light-years the >cosmic event itself happened no earlier than 18,000 BC.
This sentence makes no sense. Since the speed limit is c, and no information can be transmitted faster than c, our time is not the same as the SN1604 time, so a comparison like that is both misleading and incorrect. The sentence would need to be amended to be correct such as:
Since 6 kiloparsecs is ca. 20,000 light-years the cosmic event itself happened no earlier than 18,000 BC, provided supra-luminar travel is possible. If superluminar travel is impossible, which is the firm scientific opinion today, than it is both impossible and meaningless to state when the explosion took place, since a common frame for us and the SN1604 does not exist and cannot be established.
- If you know something the author didn't, you're allowed and even encouraged to correct the article. However, the sentence you propose would definitely not improve the article. I've removed the statement that offends you as it is indeed a bit silly and unscientific. I've also messed up the lay-out a bit, I hope someone can improve this. Piet 16:13, 17 October 2005 (UTC)
The last I heard, we measure our experience of time here on Earth using clocks that are also here on Earth. With respect to our own frame of reference, which is a perfectly valid and useful frame of reference, we experience the event in question as having occurred about 18,000 of our years ago. The idea that we need to know what a clock read at the supernova in order to figure out when the event happened as we see it, and that we have to burden our discourse with long-winded relativistic blither to do so, seems neurotically over-complicated to me. 98.243.173.66 (talk) 19:54, 3 February 2012 (UTC)
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