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![]() | Luna - Exploring the Moon |
Tyneside, UK 2025 Jan 24 Friday, Day 24 | ||||||||||||||||||||||||||||
Curated by:
Selected Luna Missions:
Elsewhere:
A different view from Ian Ridpath
Summarised by Don P Mitchell
| The Mission of Luna 9
![]() In this view we are looking at the end of the vehicle which houses the lander. At the opposite end is the conical housing of the retro-rocket - fired just before landing. There is a better view of it in photograph on the Luna 10 page. Two of the four low-thrust, course correction engines can be seen around the body of the vehicle. Several boxes of equipment are attached to the main spacecraft. These contain the guidance system, chemical batteries and navigation systems. To minimise fuel use, they were designed to be cast-off just before retro-rocket firing.
Here, a technician works on a spacecraft of the Luna 9 design. The ball-shaped object covered in insulating material is the lander. Before impact, the insulating layer was inflated like a balloon to provide a relatively-soft impact. Having a human being in the picture gives an indication of the actual size of the spacecraft.
![]() After touching down, four petals opened out and pushed the craft upright. Rod-type antennae sent data to Earth, using the inner surfaces of the petals as reflectors. A weighted cable hung from each rod to indicate the vertical in photographs. They are missing from the model in the photograph below. It was on show at the 1968 Soviet Exhibition in London.
![]() Luna 9 had some small panels of solar cells but its main power source was batteries, recharged slowly by the small current available from the solar cells.
Luna 9 Statistics:
Launch Vehicle: Molniya Launching Technique: Low orbit around the Earth and then a direct landing trajectory Mass: 1,583 kilogrammes fully fuelled (including 84 kg lander) Length: 2.5 metres (including lander) Maximum Diameter: 1.0 metres
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