<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><meta http-equiv="content-type" content="text/html; charset=utf-8"><div style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><meta http-equiv="content-type" content="text/html; charset=utf-8"><div style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><meta http-equiv="content-type" content="text/html; charset=utf-8"><div style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div><div style="display: block;"><table cellspacing="0" cellpadding="0" border="0" align="center" class="scale_full_width mobile_center" style="font-variant-caps: normal; caret-color: rgb(153, 153, 153); color: rgb(153, 153, 153); font-family: Helvetica; font-size: 15px; max-width: 600px;"><tbody><tr><td><a target="_blank" href="https://r.smartbrief.com/resp/sesHCKojllDCmBnqCigydsBWcNiBdm" style="color: rgb(0, 51, 153); text-decoration: none;"></a></td></tr><tr><td width="600" class="mobile_center" style="padding-top: 4px;"><div style="color: rgb(102, 102, 102); font-size: 9px; line-height: normal;">(Nicholas Forder for Live Science)</div></td></tr></tbody></table><div data-testid="copy_headline" style="caret-color: rgb(153, 153, 153); color: rgb(153, 153, 153); font-family: Helvetica; font-size: 15px; margin-top: 15px;"><br></div><div class="name-100" style="line-height: 25px; display: inline !important;"><font size="4">Deep in the outer reaches of the <a href="https://r.smartbrief.com/resp/sesHCKojllDCmBnrCigydsBWcNutpP" target="_blank" style="color: rgb(0, 51, 153) !important; text-decoration: none !important;">solar system</a> — so far away from the known planets that the sun would barely be distinguishable from a nearby star — a massive, icy world may be lurking in the shadows, waiting to be discovered by humanity.<br><br>And the day that we finally find this elusive planet may be coming soon, thanks to a state-of-the-art telescope that will begin scanning the sky next year. With the opening of the groundbreaking <a href="https://r.smartbrief.com/resp/sesHCKojllDCmBnSCigydsBWcNrLue" target="_blank" style="color: rgb(0, 51, 153) !important; text-decoration: none !important;">Vera C. Rubin Observatory</a> in 2025, we may either finally find <a href="https://r.smartbrief.com/resp/sesHCKojllDCmBnqCigydsBWcNiBdm" target="_blank" style="color: rgb(0, 51, 153) !important; text-decoration: none !important;">Planet Nine</a>within the next few years — or rule out the idea for good.</font></div></div><div style="display: block;"><div class="name-100" style="line-height: 25px; display: inline !important;"><font size="4"><br></font></div></div><div style="display: block;"><div class="name-100" style="line-height: 25px; display: inline !important;"><font size="4"><br></font></div></div><div style="display: block;"><div class="name-100" style="line-height: 25px; display: inline !important;"><font size="4"><br></font></div></div><div style="display: block;"><br></div><div style="display: block;"><br></div><font size="4"><br></font></div></div></div></div></div></div></div></div></body></html>