NASA Astronaut Christina Koch creates a record for the longest single spaceflight by a woman, surpassing the earlier record of 288 days in space.<br />”<br />”When she arrives back on Earth in February 2020, she will have spent more than 300 days in space.&nbsp;<br />”<br />”<span style="color: #222222;">She is onboard the International Space Station since 14th March 2019.</span><br />