We had a presentation that included Lagrange points a while back but I couldn't remember the details.<div id="yMail_cursorElementTracker_1640730768455">A quick search reveals this:</div><div id="yMail_cursorElementTracker_1640730863339"><a id="linkextractor__1640730868690" data-yahoo-extracted-link="true" href="https://solarsystem.nasa.gov/resources/754/what-is-a-lagrange-point/" class="lEnhancr_1640730871139">What is a Lagrange Point? | NASA Solar System Exploration</a><div id="lEnhancr_1640730871139" class="yahoo-link-enhancr-card yahoo-link-enhancr-cardSize-medium yahoo-link-enhancr-cardType-yenhancr yahoo-link-enhancr-cardCategory-  ymail-preserve-class ymail-preserve-style" style="max-width: 400px; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; position: relative;" contenteditable="false" data-url="https://solarsystem.nasa.gov/resources/754/what-is-a-lagrange-point/" data-type="LINK_ENHANCR_ATTACHMENT_TYPE_INLINE" data-category="" data-embed-url="" data-size="medium">
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                                                           <p class="card-description" style="font-size:11px;line-height:15px;color:#999;">Lagrange Points are positions in space where the gravitational forces of a two body system like the Sun and the Earth produce enhanced regions of attraction and repulsion. These can be used by spacecraft to reduce fuel consumption needed to remain in</p>
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                   </div></div><div id="yMail_cursorElementTracker_1640730868698"><br></div><div id="yMail_cursorElementTracker_1640730787312"><br><div id="ymail_android_signature"><a id="ymail_android_signature_link" href="https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature">Sent from Yahoo Mail on Android</a></div> <br> <blockquote style="margin: 0 0 20px 0;"> <div style="font-family:Roboto, sans-serif; color:#6D00F6;"> <div>On Tue, Dec 28, 2021 at 5:14 PM, Carl Lazarus</div><div><carllazarus@comcast.net> wrote:</div> </div> <div style="padding: 10px 0 0 20px; margin: 10px 0 0 0; border-left: 1px solid #6D00F6;"> ===============================================<br clear="none">::The Lexington Computer and Technology Group Mailing List::<br clear="none">Reply goes to sender only; Reply All to send to list.<br clear="none">Send to the list: <a shape="rect" ymailto="mailto:LCTG@lists.toku.us" href="mailto:LCTG@lists.toku.us">LCTG@lists.toku.us</a>      Message archives: <a shape="rect" href="http://lists.toku.us/private.cgi/lctg-toku.us" target="_blank">http://lists.toku.us/private.cgi/lctg-toku.us</a><br clear="none">To subscribe: email <a shape="rect" ymailto="mailto:lctg-subscribe@toku.us" href="mailto:lctg-subscribe@toku.us">lctg-subscribe@toku.us</a>  To unsubscribe: email <a shape="rect" ymailto="mailto:lctg-unsubscribe@toku.us" href="mailto:lctg-unsubscribe@toku.us">lctg-unsubscribe@toku.us</a><br clear="none">Future and Past meeting information: <a shape="rect" href="http://LCTG.toku.us" target="_blank">http://LCTG.toku.us</a><br clear="none">List information: <a shape="rect" href="http://lists.toku.us/listinfo.cgi/lctg-toku.us" target="_blank">http://lists.toku.us/listinfo.cgi/lctg-toku.us</a><br clear="none">This message was sent to <a shape="rect" ymailto="mailto:wquinn49@yahoo.com." href="mailto:wquinn49@yahoo.com.">wquinn49@yahoo.com.</a><br clear="none">Set your list options: <a shape="rect" href="http://lists.toku.us/options.cgi/lctg-toku.us/wquinn49@yahoo.com" target="_blank">http://lists.toku.us/options.cgi/lctg-toku.us/wquinn49@yahoo.com</a> </div> </blockquote></div>