Card No. 29

The answers

1. Since 1958

   Vanguard 1, a grapefruit-sized US satellite

   Done for 1964

   Its radio went quiet in May 1964, but it is still in orbit, the oldest human-made object up there. It may stay up about 240 years.

2. Since 1732

   A bookshop in Lisbon's Chiado district

   Still going

   Livraria Bertrand is still selling books and holds the Guinness record as the oldest operating bookshop. The 1755 earthquake wrecked the first one, and it moved to Rua Garrett in 1773.

3. Since 2004

   A NASA Mars rover built for a 90-day mission

   Done for 2019

   Opportunity lasted 15 years and drove about 28 miles. A dust storm cut it off in June 2018, and NASA declared the mission over on February 13, 2019.

4. Since 1854

   Sending a telegram through India's state phone company

   Done for 2013

   Shut down July 15, 2013. India's first telegraph line ran from Kolkata to Diamond Harbour in 1850, and the service opened to the public in 1854.

5. Since 1963

   Lava lamps made in England by the company that invented them

   Still going

   Mathmos still makes lava lamps in Poole, Dorset. Edward Craven Walker founded it in 1963, and his first model was called the Astro.