Månadsarkiv: april 2013

The Meton Cycle

The ancient greek astronomer Meton observed that the lunar phases are repeated on the same weekday once every 19th year. therefore this period is referred to as the Meton Cycle.  Theses days were carved in a stone at Forum Romanum in ancinet … Läs mer

Publicerat i Astronomy | Lämna en kommentar

The KAngaroocompetition 2013

On March 21th I participated in the Kängurutävlingen arranged by the Royal Swedish academy of Science. My result was 45p. See examples from last years competition here

Publicerat i Uncategorized | Lämna en kommentar