Mark McCaughrean<p>Good morning 🌞</p><p>In Paris today to give one of my regular <a href="https://mastodon.social/tags/ESA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESA</span></a> science highlights talks to our Space Science Advisory Committee 🚀🛰</p><p>One of the topics concerns new results about the Cygnus X-1 high-mass x-ray binary system, as introduced in this slide.</p><p>Forgive me 🎤🎸🎸🥁🖖🙂🤘</p><p><a href="https://mastodon.social/tags/SpaceRocks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SpaceRocks</span></a> <a href="https://mastodon.social/tags/ProgNerd" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ProgNerd</span></a> <a href="https://mastodon.social/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SpaceScience</span></a> <a href="https://mastodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://mastodon.social/tags/Astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrodon</span></a></p>