NATS 1745 Lecture Notes - Lecture 19: Sidereus Nuncius, Star Formation
9 Oct 2017
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The hu(cid:271)(cid:271)le teles(cid:272)ope (cid:862)nova(cid:863): hunting the edges of pa(cid:272)e documentary video. Stellar nursery hide birth places of stars and planets. Can take images of invisible jets of galaxies. Telescope has changed the way we as species think about ourselves. Always find something new due to ability to see more. It all began with 1 man and 2 pieces of glass. Summer of 1609 where galileo built version of it (cid:862)telescope(cid:863) (cid:373)ea(cid:374)s (cid:862)far seei(cid:374)g(cid:863) i(cid:374) a(cid:374)cie(cid:374)t greek. 2 lenses held at just right distance produce optical effect. Military use for it in order to see enemy. Then he turns his telescope from earth to sky. Starts revolution and whole new regime of practice. Alexandra hall explains what she thinks when viewing sky. Feeling that we are at centre when look through instrument but it is only a feeling. Saw geographical terrain on another astronomical object being moon. This means that the earth is not unique.
