The first planetarium projector was unveiled 100 years ago (planetarium100.org) | HN Screenshots

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Screenshot of planetarium100.org: The first planetarium projector was unveiled 100 years ago

First screen, captured 3 years ago.

Looks similar

Screenshot of centauri-dreams.org: Vega's Puzzling Disk

Vega's Puzzling Disk (centauri-dreams.org)

52 points by JPLeRouzic 1 year ago | 1 comments

Screenshot of computerhistory.org: IBM and the Transformation of Corporate Design

IBM and the Transformation of Corporate Design (computerhistory.org)

57 points by rbanffy 2 years ago | 2 comments

Screenshot of centauri-dreams.org: Voyager as Technosignature

Voyager as Technosignature (centauri-dreams.org)

71 points by andyjohnson0 3 years ago | 20 comments

Screenshot of wondering-star.blogspot.com: GPS constellation as a way to image the ionosphere (2011)

GPS constellation as a way to image the ionosphere (2011)(wondering-star.blogspot.com)

23 points by pizza 1 year ago | 4 comments

Screenshot of vaticanobservatory.org: Vatican Observatory

Vatican Observatory (vaticanobservatory.org)

92 points by alexmolas 1 year ago | 39 comments

Screenshot of centauri-dreams.org: A 'Tatooine' Planet Directly Imaged

A 'Tatooine' Planet Directly Imaged (centauri-dreams.org)

3 points by JPLeRouzic 10 months ago | 0 comments