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SCIENCESaturday 16 January 2016

Spacewalk aborted after water leaks into astronaut’s helmet 

MARCIA DUNN                    failed two months ago,         date.                            radioed.                                                              Space Agency, is Britain’s
AP Aerospace Writer            slashing station power by      Mission Control assured the      Peake, in particular, re-
CAPE CANAVERAL, Fla. (AP)      one-eighth. The break-         spacewalkers they had            ceived a bounty of well                                               first official astronaut.
— Two spacewalking astro-      down did not disrupt work      enough time, as the two          wishes — from space as
nauts — including Britain’s    250 miles up, but NASA         struggled to bolt down the       well as Earth. He became                                              A handful of previous
first — successfully restored  wanted the power grid          spare unit. Once it was at-      the first spacewalker to
full power to the Interna-     fixed as soon as possible in   tached, power tests fol-         wear the Union Jack on the                                            spacewalkers held dual
tional Space Station on        case something else failed.    lowed. Mission Control           shoulder of his suit.
Friday. But the spacewalk      Working in darkness to         informed the astronauts          “We’re all watching, no                                               U.S.-English      citizenship,
was cut short after water      avoid electrical shock from    everything looked good.          pressure!” Former Beatle
leaked into one of the         the solar power system,        “Awesome,” replied Kopra.        Paul McCartney said via                                               but flew as Americans for
men’s helmets in a scary       the astronauts hurried to      Engineers suspect the origi-     Twitter. “Wishing you a
repeat of a near-drowning                                                                                                                                            NASA. The first British citizen
2½ years ago.
NASA astronaut Timothy                                                                                                                                               to fly in space, chemist Hel-
Kopra took everyone by
surprise when he reported                                                                                                                                            en Sharman, visited Russia’s
a small water bubble and
a few minutes later, a film                                                                                                                                          old Mir space station as
of water, inside his helmet.
Wary of the close call of                                                                                                                                            part of a private competi-
another spacewalker in
2013, Mission Control termi-                                                                                                                                         tion in 1991.
nated the planed six-hour
spacewalk at the four-hour                                                                                                                                           Peake and Kopra rock-
and 10-minute mark.
“So far, I’m OK,” Kopra as-                                                                                                                                          eted into orbit exactly one
sured everyone. Later, he
said the water bubble was                                                                                                                                            month ago aboard a Rus-
4 inches long and getting
thicker. “I’m doing good,”                                                                                                                                           sian spacecraft.
he repeated.
NASA stressed that the                                                                                                                                               To distinguish between the
situation was not an emer-
gency and insisted neither                                                                                                                                           two Tims, Mission Control
spacewalker was in dan-
ger. Indeed, Kopra took                                                                                                                                              used both their first and last
time to thank everyone for
their help as the air lock                                                                                                                                           names when calling out
was repressurized.
Their crewmates inside                                                                                                                                               to them. Ground control-
waited anxiously with tow-
els to mop up the water,                                                                                                                                             lers, at least, didn’t have
believed to have leaked
from the cooling loop in Ko-                                                                                                                                         any problem distinguishing
pra’s suit.
Kopra and his spacewalk-                                                                                                                                             the spacewalkers’ voices.
ing partner, British space-
man Timothy Peake, com-                                                                                                                                              Peake is from West Sussex in
pleted their No. 1 job early
on in the spacewalk. The                                                                                                                                             southeast England; Kopra is
pair quickly removed the
voltage regulator that                                                                                                                                               from Austin, Texas.

                                                                                                                                                                     “Popping outside for a

                                                                                                                                                                     walk,” Peake said in a

                                                                                                                                                                     tweet Thursday. “Exhilarat-

                                                                                                                                                                     ed - but no time to dwell on

                                                                                                                                                                     emotions.”

                               In this image made from video provided by NASA, crew members of the International Space                                               Another European astro-
                               Station inspect the spacesuit of NASA astronaut Timothy Kopra, left, after a spacewalk with British
                               spaceman Timothy Peake was cut short after water leaked into Kopra’s helmet.                                                          naut — Italy’s Luca Par-

                                                                                                                                                      (NASA via AP)  mitano — almost drowned

                                                                                                                                                                     when his helmet filled with

                                                                                                                                                                     water that leaked from the

                                                                                                                                                                     cooling system of his un-

                               remove the bad unit and        nal unit suffered an internal    happy stroll outdoors in the                                          dergarment in July 2013.
                               pop in a spare. They had       electrical short. Following      universe.”
                               just 31 minutes to complete    the failure, the station relied  Earlier, as Peake floated                                             NASA added absorbent
                               the job, the amount of         on the seven other power         out, space station com-
                               nighttime on that particular   channels.                        mander Scott Kelly called,                                            pads to the helmet and
                               swing around the world.        The action unfolded on the       “Hey Tim, it’s really cool
                               It took a bit longer than ex-  far reaches of the space         seeing that Union Jack go                                             put in place other precau-
                               pected to install the spare,   station.                         outside. It’s explored all
                               dubbed Dusty, about the        The work site is about 200       over the world. Now it’s ex-                                          tions for future spacewalks.
                               size of a 30-gallon aquari-    feet from the astronauts’        plored space.”
                               um.                            exit, about as far as space-     Replied Peake: “It’s great to                                         Those pads and safety pro-
                               The spare had been inside      walkers safely can go.           be wearing it, a huge privi-
                               the space station since        “Glad to see you both out        lege, a proud moment.”                                                cedures came in handy Fri-
                               1999; newly arrived cables     there together on the tip of     Peake, a helicopter pilot
                               allowed a software up-         the world,” Mission Control      chosen by the European                                                day.

                                                                                                                                                                     Parmitano’s spacewalk-

                                                                                                                                                                     ing partner that day, NASA

                                                                                                                                                                     astronaut Chris Cassidy,

                                                                                                                                                                     rushed into Mission Control

                                                                                                                                                                     and offered assistance Fri-

                                                                                                                                                                     day, as soon as he learned

                                                                                                                                                                     what happened.q
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