filters… Explore themes - Any -Topics-Maritime history--Life at sea--Ships and boats--Exploration and encounters--Trade and empire--Enslavement and resistance--War and conflict-Space and astronomy--Astronomy guides--History of astronomy--Space science--People in astronomy--Astrophotography--Astronomy Photographer of the Year galleries-Time--Greenwich Mean Time--Clocks and timekeeping--Seasons and calendars--Time and navigation-Art and culture--Portraits--Seascapes and landscapes--Contemporary art--Architecture--Decorative arts--Photography-The ocean--Ocean science--People and the ocean--Shipping and industry--Migration and movement-Royal history--Royal Greenwich--Tudors--Stuarts Location - Any -Cutty SarkNational Maritime MuseumQueen's HouseRoyal ObservatoryPrince Philip Maritime Collections CentreIn GreenwichOnlineOther Specialism - Any -AstronomyConservationCuratorialEvents & VenuesHMS NHS: The Nautical Health ServiceLibrary & ArchiveVolunteers Search keywords 17 Aug 2026 Night sky highlights - September 2026 Spot Neptune through a telescope, see the Moon in the Beehive Cluster, and mark the autumnal equinox and equilux. 20 Jul 2026 Night sky highlights - August 2026 This month brings a spectacular partial solar eclipse, a partial lunar eclipse, six planets lined up across the pre-dawn sky, and the year's best meteor shower. 01 Jul 2026 Night sky highlights - July 2026 This month Earth reaches its farthest point from the Sun, we look for a lunar crater named by the Artemis II crew, and a morning star cluster heralds in Matariki, the Māori new year. 29 Jun 2026 A passion for airships Learn more about one of the world's leading airship pilots, Squadron Leader Thomas Philip York-Moore. 31 May 2026 Night sky highlights - June 2026 June brings short nights and spectacular skies - from noctilucent clouds to the first true views of the Milky Way's glowing core. 30 Apr 2026 Night sky highlights - May 2026 May’s night sky brings a rare blue moon, meteors from Halley’s Comet, and a strange galactic hamburger. We’ll also explore Coma Berenices and use it to find star clusters and distant galaxies. 14 Apr 2026 ‘A very good library’ This month we investigate the history of the old library at the Royal Observatory and discover some of its astronomical treasures which are today in the Airy Collection of the Caird Library and Archive. First Prev Current page 1 Page 2 Page 3 Page 4 Page 5 … Next Last