3/4. Chris Lintott opens up The Sky at Night's 60-year archive to reveal how stars work, their life cycles and how their own demise holds the key to our very existence. Also in HD. [S]
3/4. Chris Lintott opens up The Sky at Night's 60-year archive to reveal how stars work, their life cycles and how their own demise holds the key to our very existence. [S]