https://nyssls.info/index.php?action=history&feed=atom&title=Generalized_Nucleosynthesis_in_a_Massive_Star 2026-10-23T15:55:35Z Revision history for this page on the wiki MediaWiki 1.35.9 https://nyssls.info/index.php?title=Generalized_Nucleosynthesis_in_a_Massive_Star&diff=6301&oldid=prev 2026-10-13T17:05:53Z

<p>SEO: title subtitle, short lead, description section, alt text, links to the neighboring tables; image scales on phones</p> <table class="diff diff-contentalign-left diff-editfont-monospace" 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 17:05, 13 October 2026</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'>−</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>{| <del class="diffchange diffchange-inline">style</del>=<del class="diffchange diffchange-inline">&quot;width</del>:<del class="diffchange diffchange-inline">100%; table-layout:fixed; margin</del>-<del class="diffchange diffchange-inline">top:</del>-<del class="diffchange diffchange-inline">1</del>.<del class="diffchange diffchange-inline">0em; margin-bottom:1.2em; background-color:rgb</del>(<del class="diffchange diffchange-inline">245</del>, <del class="diffchange diffchange-inline">250, 255);&quot;</del></div></td><td class='diff-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 class="diffchange diffchange-inline">{Reftable</ins></div></td></tr> <tr><td class='diff-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><del class="diffchange diffchange-inline">| style=&quot;text-align:left; font-size:1</del>.<del class="diffchange diffchange-inline">12em; padding:5px 8px;&quot; | </del>[[<del class="diffchange diffchange-inline">Earth and Space Science Reference Tables|⇱ See all reference tables</del>]]</div></td><td class='diff-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 class="diffchange diffchange-inline"> |name=Generalized Nucleosynthesis in a Massive Star</ins></div></td></tr> <tr><td class='diff-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><del class="diffchange diffchange-inline">|}</del></div></td><td class='diff-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 class="diffchange diffchange-inline"> </ins>|<ins class="diffchange diffchange-inline">next</ins>=<ins class="diffchange diffchange-inline">Portion of Electromagnetic Spectrum Related to Earth and Space Sciences</ins></div></td></tr> <tr><td class='diff-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>[[File:Generalized Nucleosynthesis in a Massive Star.png|800px]]</div></td><td class='diff-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 class="diffchange diffchange-inline"> |desc=Generalized Nucleosynthesis in a Massive Star from the NYS Earth and Space Sciences Reference Tables (ESSRT)</ins>: <ins class="diffchange diffchange-inline">the fusion stages from hydrogen to iron in a massive star and how long each one lasts, down to core collapse. Supports HS</ins>-<ins class="diffchange diffchange-inline">ESS1</ins>-<ins class="diffchange diffchange-inline">3</ins>.</div></td></tr> <tr><td colspan="2"> </td><td class='diff-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 class="diffchange diffchange-inline">}}</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-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 class="diffchange diffchange-inline">The '''Generalized Nucleosynthesis in a Massive Star''' model from the ''Reference Tables for Earth and Space Sciences'' </ins>(<ins class="diffchange diffchange-inline">ESSRT) shows the series of nuclear fusion stages that build heavier and heavier elements inside a massive star</ins>, <ins class="diffchange diffchange-inline">and how long each stage lasts</ins>. <ins class="diffchange diffchange-inline">It primarily supports </ins>[[<ins class="diffchange diffchange-inline">HS-ESS1-3</ins>]]<ins class="diffchange diffchange-inline">.</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-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"> </td><td class='diff-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>[[File:Generalized Nucleosynthesis in a Massive Star.png|800px<ins class="diffchange diffchange-inline">|class=img-fluid|alt=Generalized Nucleosynthesis in a Massive Star from the Earth and Space Sciences Reference Tables (ESSRT): cross section of a massive star with fusion shells from hydrogen to iron around an iron core, and a table of how long each stage lasts</ins>]]</div></td></tr> <tr><td colspan="2"> </td><td class='diff-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"> </td><td class='diff-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 class="diffchange diffchange-inline">== What the nucleosynthesis model shows ==</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-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 class="diffchange diffchange-inline">The model is drawn as a cross section of the star, with fusion shells layered like an onion: hydrogen fusing to helium in the outermost shell, then helium to carbon, carbon to oxygen, oxygen to silicon and silicon to iron, around a core of iron (Fe). A table beside it gives the duration of each stage: 7 × 10&lt;sup&gt;6&lt;/sup&gt; years for hydrogen to helium, 7 × 10&lt;sup&gt;5&lt;/sup&gt; years for helium to carbon, 600 years for carbon to oxygen, 6 months for oxygen to silicon, 1 day for silicon to iron and a quarter of a second for core collapse. Each stage is far shorter than the one before it.</ins></div></td></tr> </table>

Conrad https://nyssls.info/index.php?title=Generalized_Nucleosynthesis_in_a_Massive_Star&diff=5632&oldid=prev 2026-09-25T13:54:30Z

<p>Slightly larger directory link with more space above the table</p> <table class="diff diff-contentalign-left diff-editfont-monospace" 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 13:54, 25 September 2026</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'>−</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>{| style=&quot;width:100%; table-layout:fixed; margin-top:-1.0em; margin-bottom:<del class="diffchange diffchange-inline">0</del>.<del class="diffchange diffchange-inline">3em</del>; background-color:rgb(245, 250, 255);&quot;</div></td><td class='diff-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>{| style=&quot;width:100%; table-layout:fixed; margin-top:-1.0em; margin-bottom:<ins class="diffchange diffchange-inline">1</ins>.<ins class="diffchange diffchange-inline">2em</ins>; background-color:rgb(245, 250, 255);&quot;</div></td></tr> <tr><td class='diff-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>| style=&quot;text-align:left;&quot; | [[Earth and Space Science Reference Tables|⇱ See all reference tables]]</div></td><td class='diff-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>| style=&quot;text-align:left<ins class="diffchange diffchange-inline">; font-size:1.12em; padding:5px 8px</ins>;&quot; | [[Earth and Space Science Reference Tables|⇱ See all reference tables]]</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>|}</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>|}</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>[[File:Generalized Nucleosynthesis in a Massive Star.png|800px]]</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>[[File:Generalized Nucleosynthesis in a Massive Star.png|800px]]</div></td></tr> </table>

Conradrichman https://nyssls.info/index.php?title=Generalized_Nucleosynthesis_in_a_Massive_Star&diff=5608&oldid=prev 2026-09-25T13:49:27Z

<p>Link back to the reference tables directory</p> <table class="diff diff-contentalign-left diff-editfont-monospace" 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 13:49, 25 September 2026</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 colspan="2"> </td><td class='diff-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;">{| style=&quot;width:100%; table-layout:fixed; margin-top:-1.0em; margin-bottom:0.3em; background-color:rgb(245, 250, 255);&quot;</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-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;">| style=&quot;text-align:left;&quot; | [[Earth and Space Science Reference Tables|⇱ See all reference tables]]</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-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;">|}</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>[[File:Generalized Nucleosynthesis in a Massive Star.png|800px]]</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>[[File:Generalized Nucleosynthesis in a Massive Star.png|800px]]</div></td></tr> </table>

Conradrichman https://nyssls.info/index.php?title=Generalized_Nucleosynthesis_in_a_Massive_Star&diff=995&oldid=prev 2025-04-08T19:58:41Z

<p>Created page with &quot;<a href="/index.php/File:Generalized_Nucleosynthesis_in_a_Massive_Star.png" title="File:Generalized Nucleosynthesis in a Massive Star.png">800px</a>&quot;</p> <p><b>New page</b></p><div>[[File:Generalized Nucleosynthesis in a Massive Star.png|800px]]</div>

Conradrichman