<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><a href="https://arxiv.org/ftp/arxiv/papers/1902/1902.10795.pdf">https://arxiv.org/ftp/arxiv/papers/1902/1902.10795.pdf</a><br><br>This is very interesting. TL; DR: examining craters on Pluto and Charon shows a lack of smaller impacts. This seems to mean the Kuiper Belt lacks smaller objects as compared with the Asteroid Belt. <br><br><div id="AppleMailSignature" dir="ltr"><div style="line-height: normal;"><div style="line-height: normal;"><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);">Regards,</span></div><div style="line-height: normal;"><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);"><br></span></div><div><div style="line-height: normal;"><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);">Dan</span></div><div style="line-height: normal;"><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);"> Sample my Kindle books at:</span></div><div style="line-height: normal;"><p style="margin: 0px; font-stretch: normal; font-size: 12px; line-height: normal; font-family: Helvetica;"><span style="font-size: 12pt;"><a href="http://author.to/DanUst">http://author.to/DanUst</a></span></p></div></div></div><div><div style="line-height: normal;"></div></div></div></body></html>