<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE article  PUBLIC "-//NLM//DTD Journal Publishing DTD v3.0 20080202//EN" "http://dtd.nlm.nih.gov/publishing/3.0/journalpublishing3.dtd"><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" dtd-version="3.0" xml:lang="en" article-type="research article"><front><journal-meta><journal-id journal-id-type="publisher-id">JHEPGC</journal-id><journal-title-group><journal-title>Journal of High Energy Physics, Gravitation and Cosmology</journal-title></journal-title-group><issn pub-type="epub">2380-4327</issn><publisher><publisher-name>Scientific Research Publishing</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.4236/jhepgc.2020.63033</article-id><article-id pub-id-type="publisher-id">JHEPGC-101658</article-id><article-categories><subj-group subj-group-type="heading"><subject>Articles</subject></subj-group><subj-group subj-group-type="Discipline-v2"><subject>Physics&amp;Mathematics</subject></subj-group></article-categories><title-group><article-title>
 
 
  The Explosion at the Center of Our Galaxy
 
</article-title></title-group><contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Kenneth</surname><given-names>Dalton</given-names></name><xref ref-type="aff" rid="aff1"><sub>1</sub></xref><xref ref-type="corresp" rid="cor1"><sup>*</sup></xref></contrib></contrib-group><aff id="aff1"><label>1</label><addr-line>Th. Pongprasart, Bang Saphan, Prachuap Kiri Khan, Thailand</addr-line></aff><pub-date pub-type="epub"><day>03</day><month>06</month><year>2020</year></pub-date><volume>06</volume><issue>03</issue><fpage>440</fpage><lpage>442</lpage><history><date date-type="received"><day>30,</day>	<month>May</month>	<year>2020</year></date><date date-type="rev-recd"><day>19,</day>	<month>July</month>	<year>2020</year>	</date><date date-type="accepted"><day>22,</day>	<month>July</month>	<year>2020</year></date></history><permissions><copyright-statement>&#169; Copyright  2014 by authors and Scientific Research Publishing Inc. </copyright-statement><copyright-year>2014</copyright-year><license><license-p>This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/</license-p></license></permissions><abstract><p>
 
 
  At the center of the Milky Way, our black hole may have suddenly changed from supermassive to intermediate-mass status. In doing so, it would have emitted an enormous burst of electromagnetic radiation. Here, the total energy of that burst is calculated and compared with the Fermi bubble data.
 
</p></abstract><kwd-group><kwd>Black Hole Explosion</kwd><kwd> Fermi Bubbles</kwd></kwd-group></article-meta></front><body><sec id="s1"><title>Conflicts of Interest</title><p>The author declares no conflicts of interest regarding the publication of this paper.</p></sec><sec id="s2"><title>Cite this paper</title><p>Dalton, K. (2020) The Explosion at the Center of Our Galaxy. Journal of High Energy Physics, Gravitation and Cosmology, 6, 440-442. https://doi.org/10.4236/jhepgc.2020.63033</p></sec></body><back><ref-list><title>References</title><ref id="scirp.101658-ref1"><label>1</label><mixed-citation publication-type="other" xlink:type="simple">Dalton, K. (2019) Supermassive Black Holes. JHEPGC, 5, 984-988. https://doi.org/10.4236/jhepgc.2019.53052</mixed-citation></ref><ref id="scirp.101658-ref2"><label>2</label><mixed-citation publication-type="other" xlink:type="simple">Dalton, K. (2014) The Galactic Black Hole. Hadronic J., 37, 241. https://vixra.org/abs/1404.0067</mixed-citation></ref></ref-list></back></article>