Echoes of Apollo of the Moon's surface: The next "World Moon Bounce Day" was scheduled for the month preceding Apollo 13's 40th anniversary in March or April 2010. Echoes of Apollo also provide a news clipping service for space news. Its main focus is on space missions, but also contains interesting astronomy news, especially when associated with radio telescopes. It is updated regularly during the week and can be viewed at: . The website provides significant information about the Apollo program and the communications network that supported the program. (http://www.wia.org.au/members/armag/2009/august/) Echoes of Apollo Echoes of Apollo is an international organisation formed in January
Apollo program of the Apollo spacecraft to survive without major configuration changes as the program evolved from the early Apollo study designs. Its exterior was covered with an ablative heat shield, and had its own reaction control system (RCS) engines to control its attitude and steer its atmospheric entry path. Parachutes were carried to slow its descent to splashdown. The module was tall, in diameter, and weighed approximately . A cylindrical service module (SM) supported the command module, with a service propulsion engine and an RCS with propellants, and a fuel cell power generation system with liquid hydrogen and liquid oxygen reactants.