Astro-quiz night18/12/2021 @ 18:00 - 18:30 - 18th December. Test your knowledge of Astronomy and be amazed by the answers to this quiz that puts our head in orbit. Observatório do Lago Alqueva18 December, 2021Noite de quiz When 18/12/2021 18:00 - 18:30 Add To Calendar Download ICS Google Calendar iCalendar Office 365 Outlook Live Event Type Noite de quiz Test your knowledge of Astronomy and be amazed by the answers to this quiz that puts our head in orbit.