Leibniz AIP Potsdam<p><a href="https://astrodon.social/tags/EinsteinTower" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>EinsteinTower</span></a> &amp; <a href="https://astrodon.social/tags/GreatRefractor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GreatRefractor</span></a> invite you to "„Tag des offenen Denkmals“ 🌟 On September 8, 2024, the <a href="https://astrodon.social/tags/AIP" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AIP</span></a> opens its doors at <a href="https://astrodon.social/tags/Telegrafenberg" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Telegrafenberg</span></a>. 🏞️ Highlights include the 100th anniversary of the Einstein Tower 🔭 and 125 years of the Great Refractor. <br><a href="https://www.aip.de/de/news/einsteintower-greatrefractor-tagdesoffenendenkmals/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aip.de/de/news/einsteintower-g</span><span class="invisible">reatrefractor-tagdesoffenendenkmals/</span></a></p>