Australian country music international hit "Armstrong", a tribute to the historic 1969 moon landing by American astronaut Neil Armstrong is now included in a time capsule at the Johnson Space Center in Houston, Texas. Ted Egan (AM) began recording in 1969 and has released 28 albums, mostly themed around outback life, history and Aboriginal affairs. Eric Bogle's 1972 folk lament to the Gallipoli campaign "And The Band Played Waltzing Matilda" recalled the Celtic origins of Australian folk-country. Singer-songwriter John Williamson, (OAM) began to build his reputation as an iconic Australian entertainer with his 1970 performance of his first song "Old Man Emu" on
History of the telescope astronomy after World War II, with telescopes being developed for other parts of the electromagnetic spectrum from radio to gamma-rays. Radio astronomy began in 1931 when Karl Jansky discovered that the Milky Way was a source of radio emission while doing research on terrestrial static with a direction antenna. Building on Jansky's work, Grote Reber built a more sophisticated purpose-built radio telescope in 1937, with a dish; using this, he discovered various unexplained radio sources in the sky. Interest in radio astronomy grew after the Second World War when much larger dishes were built including: the Jodrell bank telescope (1957),