<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:inherit;
panose-1:2 11 6 4 2 2 2 2 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Calibri",sans-serif;}
h2
{mso-style-priority:9;
mso-style-link:"Heading 2 Char";
mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:18.0pt;
font-family:"Calibri",sans-serif;
font-weight:bold;}
h3
{mso-style-priority:9;
mso-style-link:"Heading 3 Char";
mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:13.5pt;
font-family:"Calibri",sans-serif;
font-weight:bold;}
h4
{mso-style-priority:9;
mso-style-link:"Heading 4 Char";
mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:12.0pt;
font-family:"Calibri",sans-serif;
font-weight:bold;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
span.Heading2Char
{mso-style-name:"Heading 2 Char";
mso-style-priority:9;
mso-style-link:"Heading 2";
font-family:"Calibri",sans-serif;
font-weight:bold;}
span.Heading3Char
{mso-style-name:"Heading 3 Char";
mso-style-priority:9;
mso-style-link:"Heading 3";
font-family:"Calibri",sans-serif;
font-weight:bold;}
span.Heading4Char
{mso-style-name:"Heading 4 Char";
mso-style-priority:9;
mso-style-link:"Heading 4";
font-family:"Calibri",sans-serif;
font-weight:bold;}
span.apple-converted-space0
{mso-style-name:apple-converted-space;}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="#0563C1" vlink="#954F72">
<div class="WordSection1">
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Hi all,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">This weekend’s Science Sundays talk will be<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">Gamma Ray Bursts: A Brief History of the Most Powerful Explosions in the Universe<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">Prof. John Horack (Ohio State)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">3pm Sunday 5 April<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">Zoom info below<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"><a href="https://artsandsciences.osu.edu/news-events/events/science-sundays-gamma-ray-bursts-brief-history-most-powerful-explosions-universe">https://artsandsciences.osu.edu/news-events/events/science-sundays-gamma-ray-bursts-brief-history-most-powerful-explosions-universe</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I encourage you to attend the Zoom webinar and to share it with your students and friends.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">John<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<div style="mso-element:para-border-div;border:none;border-bottom:solid #E0E0E0 1.0pt;padding:0in 0in 11.0pt 0in">
<h2 style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:15.0pt;margin-left:0in;mso-line-height-alt:14.4pt;vertical-align:baseline;border:none;padding:0in">
<span style="font-family:"Arial",sans-serif;color:#3D3D3D;font-weight:normal"><o:p> </o:p></span></h2>
<h2 style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:15.0pt;margin-left:0in;mso-line-height-alt:14.4pt;vertical-align:baseline;border:none;padding:0in">
<span style="font-family:"Arial",sans-serif;color:#3D3D3D;font-weight:normal">SCIENCE SUNDAYS: Gamma Ray Bursts: A Brief History of the Most Powerful Explosions in the Universe<o:p></o:p></span></h2>
</div>
<p class="MsoNormal" style="vertical-align:baseline"><span style="font-family:"Arial",sans-serif;color:#666666"><img border="0" width="320" height="200" style="width:3.3333in;height:2.0833in" id="Picture_x0020_2" src="cid:image001.jpg@01D60777.D9AE26A0" alt="Horack headshot"><o:p></o:p></span></p>
<h3 align="center" style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:5.25pt;margin-left:0in;text-align:center;line-height:12.0pt;background:#BB0000;vertical-align:baseline;box-sizing: inherit;-webkit-font-smoothing: antialiased;font-style:inherit;font-variant-caps: inherit;font-stretch: inherit">
<span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:white;text-transform:uppercase">EVENT INFORMATION<o:p></o:p></span></h3>
<p style="margin:0in;margin-bottom:.0001pt;line-height:16.5pt;background:#BB0000;vertical-align:baseline;box-sizing: inherit;-webkit-font-smoothing: antialiased;font-style:inherit;font-variant-caps: inherit;font-weight:inherit;font-stretch: inherit">
<strong><span style="font-size:9.5pt;font-family:"inherit",serif;color:white;border:none windowtext 1.0pt;padding:0in">Date:</span></strong><span class="apple-converted-space0"><span style="font-size:9.5pt;font-family:"inherit",serif;color:white"> </span></span><span style="font-size:9.5pt;font-family:"inherit",serif;color:white">Sunday,
April 5, 2020<br>
<strong><span style="font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0in">Location:</span></strong><span class="apple-converted-space0"> </span>Online<span class="apple-converted-space0"> </span><br>
<strong><span style="font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0in">Time:</span></strong><span class="apple-converted-space0"> </span>3 - 5 p.m.<span class="apple-converted-space0"> </span><br>
<strong><span style="font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0in">Host:</span></strong><span class="apple-converted-space0"> </span>College of Arts and Sciences<span class="apple-converted-space0"> </span><o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline;box-sizing: inherit;-webkit-font-smoothing: antialiased;font-size:inherit;font-style:inherit;font-variant-caps: inherit;font-weight:inherit;font-stretch: inherit">
<em><b><span style="font-family:"inherit",serif;color:#666666;border:none windowtext 1.0pt;padding:0in">In light of the ongoing coronavirus outbreak, this event is shifting to an online format. It will be held at the same time (3 p.m.) with an opportunity for
a live Q&A via Zoom, a webinar tool that users can download for free.</span></b></em><span class="apple-converted-space0"><b><i><span style="font-family:"inherit",serif;color:#666666;border:none windowtext 1.0pt;padding:0in"> </span></i></b></span><span style="font-family:"inherit",serif;color:#666666"><o:p></o:p></span></p>
<h4 style="margin:0in;margin-bottom:.0001pt;mso-line-height-alt:12.0pt;vertical-align:baseline;box-sizing: inherit;-webkit-font-smoothing: antialiased;font-style:inherit;font-variant-caps: inherit;font-stretch: inherit">
<strong><span style="font-size:14.0pt;font-family:"inherit",serif;color:#666666;border:none windowtext 1.0pt;padding:0in"><a href="https://osu.zoom.us/j/846595496" target="_blank"><span style="color:#BB0000">ACCESS THE WEBINAR HERE >></span></a></span></strong><span style="font-size:14.0pt;font-family:"Arial",sans-serif;color:#666666;font-weight:normal"><o:p></o:p></span></h4>
<p style="margin:0in;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline;box-sizing: inherit;-webkit-font-smoothing: antialiased;font-size:inherit;font-style:inherit;font-variant-caps: inherit;font-weight:inherit;font-stretch: inherit">
<em><span style="font-family:"inherit",serif;color:#666666;border:none windowtext 1.0pt;padding:0in">Or iPhone one-tap :</span></em><i><span style="font-family:"inherit",serif;color:#666666;border:none windowtext 1.0pt;padding:0in"><br>
<em><span style="font-family:"inherit",serif">US: +13126266799,,846595496# or +16468769923,,846595496#</span></em><br>
<em><span style="font-family:"inherit",serif">Or Telephone (for higher quality, dial a number based on your current location):</span></em><br>
<em><span style="font-family:"inherit",serif">US: +1 312 626 6799 or +1 646 876 9923 or +1 669 900 6833 or +1 253 215 8782 or +1 301 715 8592 or +1 346 248 7799 or +1 408 638 0968</span></em><br>
<em><span style="font-family:"inherit",serif">Webinar ID: 846 595 496</span></em><br>
<em><span style="font-family:"inherit",serif">International numbers available: <a href="https://osu.zoom.us/u/aytqS8liY"><span style="color:#BB0000">https://osu.zoom.us/u/aytqS8liY</span></a></span></em></span></i><span style="font-family:"inherit",serif;color:#666666"><o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline;box-sizing: inherit;-webkit-font-smoothing: antialiased;font-size:inherit;font-style:inherit;font-variant-caps: inherit;font-weight:inherit;font-stretch: inherit">
<span style="font-family:"inherit",serif;color:#666666"><a href="https://zoom.us/download" target="_blank"><strong><span style="font-family:"inherit",serif;color:#BB0000;border:none windowtext 1.0pt;padding:0in">Download Zoom >></span></strong></a><br>
<strong><span style="font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0in"><a href="http://zoom.us/test"><span style="color:#BB0000">Run a test of Zoom >></span></a></span></strong><o:p></o:p></span></p>
<div class="MsoNormal" align="center" style="margin-bottom:15.0pt;text-align:center;vertical-align:baseline">
<span style="font-family:"Arial",sans-serif;color:#666666">
<hr size="0" width="100%" align="center">
</span></div>
<p style="margin:0in;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline;box-sizing: inherit;-webkit-font-smoothing: antialiased;font-size:inherit;font-style:inherit;font-variant-caps: inherit;font-weight:inherit;font-stretch: inherit">
<span style="font-family:"inherit",serif;color:#666666">Gamma-ray bursts, discovered by accident with classified satellites, were for decades a leading mystery in astrophysics.<span class="apple-converted-space0"> </span><strong><span style="font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0in">John
M. Horack</span></strong> explores the breakthroughs that followed from the Gamma Ray Observatory (1991) and subsequent experiments, which showed that these are the most powerful explosions in the universe. Very recently, gravitational waves have been detected
from these still-mysterious explosions.<br>
<br>
<em><span style="font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0in">John M. Horack is the inaugural Neil Armstrong Chair in Aerospace Policy at The Ohio State University, with tenured, full-professor appointments in the College of Engineering’s Department
of Mechanical and Aerospace Engineering and the John Glenn College of Public Affairs. He is a 30-year veteran of the spaceflight industry.</span></em><o:p></o:p></span></p>
<div class="MsoNormal" align="center" style="margin-bottom:15.0pt;text-align:center;vertical-align:baseline">
<span style="font-family:"Arial",sans-serif;color:#666666">
<hr size="0" width="100%" align="center">
</span></div>
<p class="MsoNormal" style="box-sizing: inherit;-webkit-font-smoothing: antialiased;font-size:inherit;font-style:inherit;font-variant-caps: inherit;font-weight:inherit;font-stretch: inherit">
<span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
</body>
</html>