AllanICarswellObservatoryDid you know that the Moon has a tail made of sodium atoms? It's not visible to the naked eye, but during the New Moon and under the right conditions, some astronomical instruments can detect a faint tail stretching thousands of kilometers into space.<br> <br> <a href="https://pixelfed.social/discover/tags/Moon?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Moon</a> <a href="https://pixelfed.social/discover/tags/Lunar?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Lunar</a> <a href="https://pixelfed.social/discover/tags/SodiumTail?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#SodiumTail</a> <a href="https://pixelfed.social/discover/tags/Observing?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Observing</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/Ontario?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ontario</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Astrophotography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astrophotography</a> <a href="https://pixelfed.social/discover/tags/SpaceScienceSaturday?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpaceScienceSaturday</a>