<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><a href="https://www.space.com/42618-gravitational-waves-biggest-farthest-black-hole-crash.html">https://www.space.com/42618-gravitational-waves-biggest-farthest-black-hole-crash.html</a>¬†<br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><a href="https://dcc.ligo.org/public/0156/P1800324/006/O2RandP.pdf">https://dcc.ligo.org/public/0156/P1800324/006/O2RandP.pdf</a><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><font size="4">¬†John K Clark</font></div></div>