![© NASA/SDO](https://webarchive.unesco.org/web/20201204225309im_/https://ru.unesco.org/sites/default/files/styles/img_688x358/public/courier/photos/lumiere_cnasa-sdo.jpg?itok=NmjBLK2i)
This image shows the Sun in ultraviolet light through a telescope at the Solar Dynamics Observatory.
© NASA/SDO
To mark UNESCO's celebration of the 1st edition of the International Day of Light, on 16 May 2018, the Courier invites its reader to discover a selection of related articles published over the years.
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