
Space companies want to send humans to Mars. But how realistic is it? These are the fiercest dangers we face making a trip to the Red Planet
<a href="https://news.google.com/rss/articles/CBMijwFBVV95cUxOekRiTnJET3dlc01FTXNQSDBkMnVteHpORF9ZbDA4N2tMdTFiTzVTS0ZLR3dueEotMktMcHp2ZU5CR2daYXlpSzRQMlREWndnZ0pRbGlEMTNpWWJjNVV6b3ZWbzJteXdkZ2dObm5VYXpSd21GZWRGVHBpMUNTZjA2UlhGbU5xU0wwTXRJeG42Yw?oc=5" target="_blank">Space companies want to send humans to Mars. But how realistic is it? These are the fiercest dangers we face making a trip to the Red Planet</a>&nbsp;&nbsp;<font color="#6f6f6f">BBC Sky at Night Magazine</font>
