Episode 355
Could we see into the past?
Listener David got in touch to ask about whether mirrors in space could show us what Earth was like a million years ago. Graihagh Jackson asked Cambridge's Anna Hourihane to explain how this might work......
Question of the Week, from the Naked Scientists
February 20, 20173m 31s
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Show Notes
Listener David got in touch to ask about whether mirrors in space could show us what Earth was like a million years ago. Graihagh Jackson asked Cambridge's Anna Hourihane to explain how this might work... Like this podcast? Please help us by supporting the Naked Scientists
Topics
pastmirrorsspaceearthlightyearsmillionaliens