The Most Important Document in the History of Astronomy
Clip: Season 4 Episode 5 | 3m 48s | Video has closed captioning.
The Carnegie Observatories archives holds about 250,000 glass plates in its vault, but there is one that stands out in its holdings: the glass plate that helped humankind discover the universe. Walk with host Nathan Masters; John Mulchaey, Director of Mt. Wilson Observatory and astronomer Allison Strom and learn why this unassuming plate holds the key to our place in the universe.
Aired: 11/12/19
