Scientists in Australia’s vast Outback yesterday recovered a capsule that they hope contains the first piece of asteroid ever brought to Earth — perhaps offering a glimpse into ancient space history.
The pod was ejected from a Japanese space probe as the host vessel burned up in a spectacular display over Australia following a seven-year odyssey across the solar system to the far-off Itokawa asteroid.
It lay in the desert dust overnight before scientists were given the go-ahead to retrieve it after Aborigine elders deemed it had not landed in any Aboriginal sacred sites.
PHOTO: AFP
“The capsule is deemed intact at the moment,” the Japan Aerospace Exploration Agency (JAXA) said in a statement.
The heat-resistant capsule parachuted into South Australia state’s remote Woomera military zone after being released from the Hayabusa spacecraft, which flamed back into the planet’s atmosphere late on Sunday.
The director of the Woomera test range, Doug Gerrie, said the probe had completed a textbook landing in the South Australian desert and had avoided any sensitive sites.
“They [JAXA] landed it exactly where they nominated they would,” he said.
The Hayabusa, which was launched in 2003, has endured a series of technical mishaps over its 5 billion km journey to the ancient Itokawa asteroid.
Fears for the return journey kept watching scientists anxious and Yoshiyuki Hasegawa, JAXA’s associate executive director, said when they knew the capsule had made a better-than-expected soft landing, “we were very happy.”
He said excitement had been high because the craft had only been designed to last four years and there were concerns about whether its battery would last the full seven years or if its control system would malfunction.
It is still not known whether the craft was able to collect a sample from Itokawa, but any material it does have could shed light on the early history of the solar system, the formation of planets, and help reduce the threat of asteroid collisions in the future, scientists say.
Australian National University scientist Trevor Ireland, who watched the spacecraft’s re-entry from the Outback town of Coober Pedy, said it looked like a meteor as it flashed orange across the night sky.
“It looked just like that in terms of fragmentation and pieces flying off it and glowing, it was just absolutely amazing,” Ireland told reporters by telephone from Woomera.
Ireland said the mood among the international scientists studying the craft was “hyper” after the capsule landed, successfully deploying its parachute and signaling systems so that it could be found in the vast Outback.
“It was a huge worry that the parachute wouldn’t go off, the [signaling] beacons wouldn’t go off, and that it would come down in a mud lake and get lost in the landscape,” he said.
Ireland said scientists were now abuzz about what the capsule may contain.
“If there is a sample in there that we can analyze, that will be a bonus,” he said. “It’s already been a tremendous mission. It really is a fairy tale.”
The historic mission means that for the first time a spacecraft has made contact with an asteroid and returned to Earth.
The re-entry was hailed in Japan, where the government’s top spokesman, Chief Cabinet Secretary Yoshito Sengoku, said the spacecraft’s travels had “given courage, dreams and hope to us”.
In celebration, a Japanese sake rice wine maker has produced a special Hayabusa edition for fans who want to toast the probe’s return to Earth.
The capsule, which will remain sealed until it arrives at the JAXA facility near Tokyo, may remain unopened for weeks as it undergoes rigorous testing.
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