Trojan (celestial body) Trojan (celestial body) In astronomy, a trojan is a minor planet or moon that shares the orbit of a planet or larger moon, wherein the trojan remains in the same, stable position relative to the larger object. In particular, a trojan remains near one of the two trojan points of stability – designated and – which lie approximately 60° ahead of and behind the larger body, respectively. Trojan points make up two of five types of Lagrangian points, and a trojan is a type of Lagrangian object. They are one type of co-orbital object. In this arrangement, the massive star
Luna Park Sydney opened year-round. Luna Park was closed in mid-1979, immediately following the Ghost Train fire, which killed six children and one adult. Most of the park was demolished, and a new amusement park was constructed; this originally operated under the name of Harbourside Amusement Park before resuming the Luna Park name. The park was closed again in 1988 as an independent engineering inspection determined that several rides needed urgent repair. The owners failed to repair and reopen the park before a New South Wales government deadline, and ownership was passed to a new body. Reopening in 1995, Luna Park closed again