Question

VIDEO A The Royal Observatory in Greenwich, London, is famous for more 1) .….......... ..... its research into the stars - this is the place where time begins. the sun is exactly over a line (called the prime meridian) at the Royal Observatory, it is precisely midday in the UK. All world time is calculated from this; in the two nearest time zones, it is exactly an hour before and an hour 3) .......... GMT (Greenwich Mean Time). This imaginary line circles the Earth, but 4).…........... be physically seen and even touched on the courtyard floor at the Royal Observatory. TI n 01 and the planets 2)..............​

Answer 1

1) **than** - London is renowned for more than its research into the stars.

2) **planets** - Time on Earth and the planets' observations have a unique nexus here.

3) **after** - One hour before and one hour after GMT frames the adjacent time zones.

4) **can** - The prime meridian can be physically seen and touched at the observatory.