Interview: Is interstellar travel possible?
Star Diary - Podcast készítő BBC Sky at Night Magazine - Vasárnapok
NASA physicist Les Johnson discusses the science of interstellar travel, whether it's currently possible, and the challenges facing humanity as we seek to explore beyond our own Solar System. Hosted on Acast. See acast.com/privacy for more information. Learn more about your ad choices. Visit podcastchoices.com/adchoices
