Exploration of Mars failed upon impact. Mars 4 flew by the planet at a range of 2200 km returning one swath of pictures and radio occultation data, which constituted the first detection of the nightside ionosphere on Mars. Mars 7 probe separated prematurely from the carrying vehicle due to a problem in the operation of one of the onboard systems (attitude control or retro-rockets) and missed the planet by . In 1964, NASA's Jet Propulsion Laboratory made two attempts at reaching Mars. Mariner 3 and Mariner 4 were identical spacecraft designed to carry out the first flybys of Mars. Mariner 3 was launched
Space Probe (Wonderland Sydney) The ride was originally known as "Space Probe 7". The Seven Network were involved in the lead up to the ride's opening, donating the network's logo and credibility. They were contracted as major sponsors, helping with advertising, promotion and the ride's title. After this contract expired the '7' was removed from the title and was thereafter known as Space Probe. Space Probe was the second Giant Drop ride manufactured and installed by Intamin. The first opened in October 1995 as at Kentucky Kingdom in Louisville, Kentucky, USA. The Intamin Giant Drop was the world's tallest free-fall ride for approximately 4