Thanks, Willy. So it's more a question of when is a sundial not a sundial? Answer - when it's a colour comparator. David
Willy Leenders > David, > > On > http://wtvr.com/2012/08/03/nasa-mars-rover-curiosity-will-land-early-monday/ > you can read that de 'sundial' is not used to have information "to > calculate time of day, date, and seasons" but as an appliance to color > balance the photgraphies Curiosity made. > > > Willy Leenders > Hasselt in Flanders (Belgium) > > Visit my website about the sundials in the province of Limburg (Flanders) > with a section 'worth knowing about sundials' (mostly in Dutch): > http://www.wijzerweb.be > > > > > > > > Op 10-aug-2012, om 11:03 heeft da...@davidbrownsundials.com het volgende > geschreven: > >> Dear Diallists, >> I thought you might find this particularly interesting, sent to me by my >> USA-based son. >> >> http://mars.jpl.nasa.gov/msl/multimedia/interactives/learncuriosity/index-2.html >> then click on the arrow until you get to the description of the 'Back' >> Click on the sundial (near the top/middle) >> >> Also: >> >> http://www.pcworld.com/article/260579/mars_rover_curiosity_a_complete_guide_to_tagging_along_online.html >> >> >> >> In particular: >> https://twitter.com/marscuriosity >> https://twitter.com/sarcasticrover (unofficial I'm guessing :) >> >> David Brown >> Somerton, Somerset, UK >> >> --------------------------------------------------- >> https://lists.uni-koeln.de/mailman/listinfo/sundial >> > > --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
