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File:Carbon-14 with activity labels.png

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Carbon-14 record for last 1,100 years (inverted scale). Solar activity events labeled.

{{ImageNote|id=1|x=340|y=330|w=10|h=10|dimx=1000|dimy=402|style=2}} Changes in carbon-14 concentration in the Earth's atmosphere, which serves as a long term proxy of solar activity. Note the present day is on the right-hand side of this figure. {{ImageNoteEnd|id=1}}


Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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Source: http://pubs.usgs.gov/fs/fs-0095-00/

File history English Wikipedia

 (del) (cur) 11:10, 24 November 2005 . . Dragons flight . . 1000x402 (34130 bytes) (cleaner version)
 (del) (rev) 23:48, 21 February 2005 . . SEWilco . . 1002x317 (24858 bytes) (Carbon-14 record for last 1,100 years (inverted scale). Solar activity events labeled. PD-USGov-Interior-USGS Source: http://pubs.usgs.gov/fs/fs-0095-00/)

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determination method or standard<\/a>"}},"text\/plain":{"en":{"":"determination method or standard"}}},"{\"value\":{\"entity-type\":\"item\",\"numeric-id\":13414952,\"id\":\"Q13414952\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"P459":"SHA-1<\/a>"}},"text\/plain":{"en":{"P459":"SHA-1"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P4092 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">

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Date/TimeThumbnailDimensionsUserComment
current12:07, 2 June 2012Thumbnail for version as of 12:07, 2 June 20121,000 × 402 (70 KB)SeL mediasecond attempt :-)
11:51, 2 June 2012Thumbnail for version as of 11:51, 2 June 20121,000 × 402 (70 KB)SeL mediaun-inverted time scale
23:54, 17 December 2005Thumbnail for version as of 23:54, 17 December 20051,000 × 402 (33 KB)Saperaud~commonswikiEN: 11:10, 24 November 2005 . . Dragons flight . . 1000x402 (34130 bytes) (cleaner version)
11:34, 19 May 2005Thumbnail for version as of 11:34, 19 May 20051,002 × 317 (24 KB)Xgarciaf~commonswikiCarbon-14 record for last 1,100 years (inverted scale). Solar activity events labeled. {{PD-USGov-Interior-USGS}} Source: http://pubs.usgs.gov/fs/fs-0095-00/

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