UK<p><a href="https://www.europesays.com/uk/70842/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">europesays.com/uk/70842/</span><span class="invisible"></span></a> NASA’s oldest astronaut who spent 220 days in space reveals the ‘significant challenge’ after returning to Earth <a href="https://pubeurope.com/tags/astronaut" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronaut</span></a> <a href="https://pubeurope.com/tags/DonPettit" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DonPettit</span></a> <a href="https://pubeurope.com/tags/Earth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Earth</span></a> <a href="https://pubeurope.com/tags/Nasa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nasa</span></a> <a href="https://pubeurope.com/tags/ReturningToEarth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ReturningToEarth</span></a> <a href="https://pubeurope.com/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Science</span></a> <a href="https://pubeurope.com/tags/UK" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>UK</span></a> <a href="https://pubeurope.com/tags/UnitedKingdom" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>UnitedKingdom</span></a></p>