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APOD
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
A Sundial that Shows Solstice
Explanation: What time is it? If the time and day are right, this sundial will tell you: SOLSTICE . Only then will the Sun be located just right for sunlight to stream through openings and spell out the term for the longest and shortest days of the year. And that happened last week and twice each year . The sundial was constructed by Jean Salins in 1980 and is situated at the Ecole Suprieure des Mines de Paris in Valbonne Sophia Antipolis of south-eastern France . On two other days of the year, watchers of this sundial might get to see it produce another word: EQUINOXE .
Resource Guide: NASA Education and Public Outreach
| Date | June 26, 2012 |
|---|---|
| Credit | Image Credit & Copyright: Jean-Marc Mari |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |