Difference between revisions 7924841 and 7937371 on simplewiki

{{short description|Scientific projections regarding the far future}}
[[File:Red Giant Earth warm.jpg|thumb|274x274px|alt= A dark gray and red sphere representing the Earth lies against a black background to the right of an orange circular object representing the Sun| Artist's idea of the [[Earth]] several billion years from now, when the [[Sun]] is a [[red giant]].]]

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| 10,000
|The [[Waste Isolation Pilot Plant]], which is where dangerous, radioactive waste from nuclear weapons waste is stored, is planned to be protected until this time.  The people who built it wondered what would happen if civilization fell apart and people forgot not to enter the Waste Isolation Pilot Plant or thought the walls and doors meant there was treasure hidden there.  It has a "Permanent Marker" system designed 
to warn visitors that the place is dangerous.  It is marked in many languages (the [[Official languages of the United Nations|six UN languages]] and [[Navajo language|Navajo]]) and in [[pictogram]]s.<ref>{{cite web|title=Permanent Markers Implementation Plan|url=http://www.wipp.energy.gov/picsprog/test1/Permanent_Markers_Implementation_Plan_rev1.pdf|publisher=[[United States Department of Energy]]|archiveurl=https://web.archive.org/web/20060928144722/http://www.wipp.energy.gov/PICsProg/Test1/Permanent_Ma(contracted; show full)

<ref name=loeb_2016>{{cite journal |last1=Loeb |first1=Abraham |year=2016 |last2=Batista |first2=Rafael |last3=Sloan |first3=W. |title=Relative Likelihood for Life as a Function of Cosmic Time |journal=Journal of Cosmology and Astroparticle Physics |volume=2016 |issue=8 |pages=040 | arxiv = 1606.08448 |doi=10.1088/1475-7516/2016/08/040|bibcode=2016JCAP...08..040L }}</ref>
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{{Millennia}}

[[Category:Time]]
[[Category:Science]]