November 19, 2017May 5, 2020

Have you seen my new Moon website?

iBook Moon Atlas for Visual Observer

October 27, 2017May 5, 2020

Become the 21st Century Moon observer!

Moon Atlas for Visual Observer

October 2, 2017May 5, 2020

Introducing my new book

April 25, 2017May 5, 2020

Cassini’s grand finale

February 25, 2017May 5, 2020

TRAPPIST-1 and its planets, wow!

February 10, 2017May 5, 2020

Moon eclipse – 10/11 February 2017 – update + photo!

February 9, 2017May 5, 2020

My lectures schedule 03/2017 (information for students)

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