London Planetarium London Planetarium The building known as the London Planetarium is in Marylebone Road, London. It is adjacent to Madame Tussauds and is owned by the same company. A famous London landmark, it was once a notable tourist attraction, housing a planetarium, which offered shows relating to space and astronomy. It closed in 2006 as a separate attraction and is now part of Madame Tussauds. From 2010 forward, the building that once housed the London Planetarium houses the Marvel Super Heroes 4D attraction. The only planetarium in London is now the Peter Harrison Planetarium in Greenwich, south east London. In 1958
RD-119 that can control the thrust among the nozzles. Between 1958 and 1960, Glushko's OKB 456 developed the RD-109 for the Block-I of the 8K73 project — a liquid oxygen/UDMH version of the R-7 —. But Korolev refusal to use such a toxic combination shelved the project. When Yangel's OKB-586 was tasked with developing a launch vehicle out of the R-12, they had to develop an upper stage from scratch. The critical issue was the low specific impulse of the first stage and thus a very high efficiency upper stage engine was needed. For this Glushko offered to adapt the RD-109,