https://energyeducation.ca/wiki/index.php?action=history&feed=atom&title=Vacuum 2026-04-04T20:08:06Z Revision history for this page on the wiki MediaWiki 1.44.0 https://energyeducation.ca/wiki/index.php?title=Vacuum&diff=8134&oldid=prev 2018-09-03T22:23:41Z

<p>1 revision imported</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <tr class="diff-title" lang="en"> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:23, 3 September 2018</td> </tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr></table>

Jmdonev https://energyeducation.ca/wiki/index.php?title=Vacuum&diff=8133&oldid=prev 2018-08-26T20:54:53Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 20:54, 26 August 2018</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Done <del style="font-weight: bold; text-decoration: none;">2015</del>-03<del style="font-weight: bold; text-decoration: none;">-06]] [[Category: Needs Citations</del>]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Done <ins style="font-weight: bold; text-decoration: none;">2018-08</ins>-03]]  </div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>&lt;onlyinclude&gt;'''Vacuums''', such as the vacuum of space, contain no matter of any type.&lt;/onlyinclude&gt; Usually, one thinks of the vacuum as having no [[atmosphere]]<del style="font-weight: bold; text-decoration: none;">, </del>but there's <del style="font-weight: bold; text-decoration: none;">also </del>a lack of [[solid]]s or [[liquid]]s as well. The vacuum does however often contain [[photon]]s. This doesn't stop it from being a vacuum, because photons do not contain matter. This is how the vacuum can still exist at some [[temperature]] above [[absolute zero]]: the photons allow it to have that [[thermal energy]] without having matter.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;onlyinclude&gt;'''Vacuums''', such as the vacuum of space, contain no matter of any type.&lt;/onlyinclude&gt; Usually, one thinks of the vacuum as having no [[atmosphere]] <ins style="font-weight: bold; text-decoration: none;">(essentially negligible pressure) </ins>but there's a lack of [[solid]]s or [[liquid]]s as well.<ins style="font-weight: bold; text-decoration: none;">&lt;ref&gt;Law and R. Rennie, A dictionary of physics. Oxford: Oxford University Press, 2015.&lt;/ref&gt; </ins>The vacuum does however often contain [[photon]]s. This doesn't stop it from being a vacuum, because photons do not contain <ins style="font-weight: bold; text-decoration: none;">[[</ins>matter<ins style="font-weight: bold; text-decoration: none;">]]—just [[energy]]</ins>. This is how the vacuum can <ins style="font-weight: bold; text-decoration: none;">''</ins>still exist at some [[temperature]] above [[absolute zero]]<ins style="font-weight: bold; text-decoration: none;">''</ins>: the photons allow it to have that [[thermal energy]] without having matter. <ins style="font-weight: bold; text-decoration: none;">See Figure 1 to see the vacuum of space.</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[File:ISS023-E-57948_lrg.jpg|thumb|800px|center|Figure 1. A picture of the atmosphere taken from the International Space Station over the Indian Ocean, the black in the upper right hand side is the vacuum of space.&lt;ref&gt;NASA, accessed: https://earthobservatory.nasa.gov/images/44267 on August 26th, 2018.&lt;/ref&gt;]]</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==For Further Reading==</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Matter]] and [[Energy]]</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Atmosphere]]</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Thermal energy]]</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Photon]]</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*[[Absolute zero]]</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*Or explore a [[Special:Random|random page]]</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==References==</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{reflist}}</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Uploaded]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Uploaded]]</div></td></tr> </table>

energy>Jmdonev https://energyeducation.ca/wiki/index.php?title=Vacuum&diff=1890&oldid=prev 2015-08-26T21:31:46Z

<p>1 revision imported</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <tr class="diff-title" lang="en"> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:31, 26 August 2015</td> </tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr></table>

J.williams https://energyeducation.ca/wiki/index.php?title=Vacuum&diff=1889&oldid=prev 2015-08-12T17:00:27Z

<p></p> <p><b>New page</b></p><div>[[Category:Done 2015-03-06]] [[Category: Needs Citations]]<br /> &lt;onlyinclude&gt;&#039;&#039;&#039;Vacuums&#039;&#039;&#039;, such as the vacuum of space, contain no matter of any type.&lt;/onlyinclude&gt; Usually, one thinks of the vacuum as having no [[atmosphere]], but there&#039;s also a lack of [[solid]]s or [[liquid]]s as well. The vacuum does however often contain [[photon]]s. This doesn&#039;t stop it from being a vacuum, because photons do not contain matter. This is how the vacuum can still exist at some [[temperature]] above [[absolute zero]]: the photons allow it to have that [[thermal energy]] without having matter.<br /> [[Category:Uploaded]]</div>

J.williams