Air route of our flight (Virgin Atlantic 008), currently just north of the U.S.-Canada border.
Stars and Canadian city lights.
Clouds lit up by cities buried in clouds below
First stop in London for a snack - Westfield Mall
Christmas lights in Westfield Mall
London Eye and the Thames River.
The Cutty Sark (Greenwich)
The Royal Observatory
Technician at work maintaining the clocks of the Royal Observatory
H1 - John Harrison's first clock, submitted to solve "the longitude problem".
Side view of H1. It has been restored and is working.
John Harrison's H3 clock.
H4 - John Harrison's final model. It looks like a pocket watch, but you'd need a very big pocket for it.
A more modern (1850's) ship's chronometer derived from Harrison's H4.
Orrery - a mechanical model of our solar system. It's essentially a very complicated mechanical clock.
Meridian courtyard where visitors can see where the zero-longitude line runs.
The Prime Meridian east-west dividing line.
A scupture on one end of the meridian line points to the pole.
Clocks in the Octagon Room at the Royal Observatory.
One of the transit timing telescopes at the Royal Observatory
Inside the observatory.
The 28" refractor at the Royal Observatory - largest in the UK, and 7th largest refractor in the world (among the existing "traditional" refractors).
A stop for a late lunch at a local tavern.
Stonehenge visit (2nd time for Jean).
The sun barely shows out of the freezing fog that plagued this day's sightseeing.
Bath Abbey in the city of Bath.
Roman Baths (after which the city of Bath is named)