China's imperiled moon rover: 'Goodnight, humanity'
China's brand new moon rover is already saying farewell.
The diminutive lunar explorer,
known as Jade Rabbit, or "Yutu" in Chinese, was about halfway through a
three-month mission to study the moon's crust when it suffered a potentially
crippling breakdown, said state media.
The report, authored by China's
state-run Xinhua news, was written in the voice of the rover itself.
"Although I should've gone to bed
this morning, my masters discovered something abnormal with my mechanical
control system," said the Xinhua report, in the voice of the Jade Rabbit. "My
masters are staying up all night working for a solution. I heard their eyes are
looking more like my red rabbit eyes."
"Nevertheless, I'm aware that I
might not survive this lunar night," it added.
During a lunar night, which lasts
about 14 Earth days, the moon's surface temperature can plunge to minus-180
Celsius. To make it through the cold, the lunar rover must "hibernate" to
preserve its delicate electronics.
If a mechanical problem keeps it
from hibernating properly, then the Rabbit could freeze to death.
Named after a mythical rabbit who
lives on the moon, Yutu was a source of national pride when it launched into
space last December along with the lunar lander Chang'e-3, named after the moon
goddess who kept Yutu by her side.
The successful lunar landing made
China the third country in the world to perform a "soft landing" on the moon's
surface. Earlier, Yutu and Chang'e
survived their first lunar night together, from Christmas until the second week
of January. The Chang'e-3 lander
successfully entered a second hibernation on Friday and is expected to function
normally for another year.
"[Chang'e] doesn't know about my
problems yet," said the voice of Yutu in the Xinhua report. "If I can't be
fixed, everyone please comfort her."
On social media, thousands of
Chinese internet users sent their well-wishes to the little robot. "You have done a great job,
Yutu. You have endured extreme hot and cold temperatures and shown us what we
have never seen," wrote one microblogger, as quoted by Xinhua.
Another wrote: "This is too
heavy a burden. If the rabbit can not stand again, maybe we should let it have a
rest." Despite the setbacks, even the
little Rabbit seemed aware of the odds it had overcome. "Before departure, I studied the
history of mankind's lunar probes. About half of the past 130 explorations ended
in success; the rest ended in failure," noted the Jade Rabbit in its report.
"This is space exploration; the
danger comes with its beauty. I am but a tiny dot in the vast picture of
mankind's adventure in space. "The sun has fallen, and the
temperature is dropping so quickly... to tell you all a secret, I don't feel
that sad. I was just in my own adventure story - and like every hero, I
encountered a small problem," said the Rabbit.
"Goodnight, Earth," it said.
"Goodnight, humanity."
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