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suncalc.org

Application for determining the course of the sun at a desired time and place with interactive map.

in-the-sky.org

An interactive three-dimensional chart of the nearest stars and galaxies to the Sun. Rotate and zoom the Universe to see the structure of the cosmos.

nightearth.com

explore stunning nighttime satellite imagery, light pollution data, and mesmerizing photos of earth from space at night earth

globalsolaratlas.info

the global solar atlas provides a summary of solar power potential and solar resources globally. it is provided by the world bank group as a free service to governments, developers and the general public, and allows users to quickly obtain data and carry out a simple electricity output calculation for any location covered by the solar resource database.

shademap.app

Every mountain, building and tree shadow in the world simulated for any date and time

desktop.arcgis.com

arcgis desktop site—create and share maps, analytics, and data.

eyes.nasa.gov

Astronomers using Hubble imaged the largest protoplanetary disk ever observed circling a young star. The disk is nicknamed “Dracula’s Chivito.”

mathshistory.st-andrews.ac.uk

Karl Pearson was an English mathematician and biostatistician. He introduced the idea of correlation and applied statistics to biological problems of heredity and evolution. With Francis Galton, he was a supporter of eugenics.

amcharts.com

Editing Email List If your email address is listed as a Billing or Licensee contact with the respective order, you can manage the list of persons who are covered under support subscriptions. To do so, go to “My Support Emails” page. Current support subscriptions are listed and organized by order. Among other information, it will […]

tadaup.jp

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