"It's still a significant technological challenge to land on another world," said Peter Bond, consultant editor for Jane's Space Systems and Industry. "Especially somewhere like the moon, which doesn't have an atmosphere so you can't use parachutes or anything like that. You have to use rocket motors for the descent and you have to make sure you go down at the right angle and the right rate of descent and you don't end up in a crater on top of a large rock."
State-run China Central Television showed a computer-generated image of the Chang'e 3 lander's path as it approached the surface of the moon, explaining that for about a 12-minute landing period it would have no contact with Earth. As it was just hundreds of meters (yards) away, the lander's camera broadcast images of the moon's surface.
The Chang'e 3's solar panels, which are used to absorb sunlight to generate power, opened soon after the landing. The Chang'e 3 will set up antennae that will transmit pictures back to Earth.
A soft landing does not damage the craft and the equipment it carries. An earlier Chinese craft orbited and collected data before intentionally crash-landing on the moon.
The Chang'e mission blasted off from southwest China on Dec. 2 on a Long March-3B carrier rocket.
China's military-backed space program has made methodical progress in a relatively short time, although it lags far behind the United States and Russia in technology and experience.
China sent its first astronaut into space in 2003, becoming the third nation after Russia and the United States to achieve manned space travel independently. In 2006, it sent its first probe to the moon. China plans to open a space station around 2020 and send an astronaut to the moon after that.
"They are taking their time with getting to know about how to fly humans into space, how to build space stations ... how to explore the solar system, especially the moon and Mars," Bond said. "They are making good strides, and I think over the next 10, 20 years they'll certainly be rivaling Russia and America in this area and maybe overtaking them in some areas."
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