Photoblog—Stars with Carl

My partner and I went to the Rochester Museum and Science Center's planetarium for the “ Stars with Carl ” event this past weekend. The “Carl” in question is a 1968 Carl Zeiss Mark VI star projector — a fully analog unit that if I remember right, weighs over 2 tons. The presenter showed us how the skies change with season and latitude, and demonstrated “ star hopping ” between different stars and…