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END Ballroom
RUNNING COLORS
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Danielle Hickey | Photo editor
Legendary Hayward Field has been privy to many great moments in Oregon
athletic history. Tuesday evening’s sunset is a prime example of how this
historical site enshrines feats of nature as well.
Spacecraft returns
images from one
of Saturn's moons
Cassini, a $3.3 billion spacecraft, reaches its closest
approach to Titan since it began orbiting in June
BY JOHN ANTCZAK
THE ASSOCIATED PRESS
PASADENA, Calif. — The U.S.
European spacecraft Cassini began
beaming close-up images of Saturn’s
giant moon Titan to Earth late
TUesday.
Cassini reached the point of clos
est approach, 745 miles, at 9:44 a.m.
PDT and transmitted to NASA’s deep
space network antenna in Madrid,
Spain, a little under nine hours later.
The first image was a low-resolution
scene of part of Titan’s disk covered in
hydrocarbon haze. “It takes a bit of
processing to bring out features,” said
imaging team leader Carolyn Porco.
There was concern that bad
weather in Spain might interfere
with some of the night-long data
transmissions.
Cassini turned its cameras and in
struments toward the cloud-shroud
ed moon in its closest flyby since it
began orbiting Saturn on June 30.
Scientists want to see whether Titan
has oceans or seas of liquid methane
and ethane.
All together, the spacecraft will
make 45 flybys of the moon, coming
within 600 miles of Titan at times.
The spacecraft also carries a probe
that will be released on Dec. 24 and
plunge into Titan’s atmosphere in
January, radioing pictures and sci
ence data back to Cassini as it de
scends under a parachute.
Saturn has 33 known moons, in
cluding two little ones that were
spotted in pictures taken by Cassini
in June.
Titan, which is bigger than
the planet Mercury, has an atmos
phere 1 1/2 times as dense as
Earth’s and contains organic —
meaning carbon-based — com
pounds. Scientists believe those
compounds could be much like
those on Earth billions of years ago
before life began. Life, however, is
unlikely on Titan because it is so
cold at minus-289 degrees.
The $3.3 billion spacecraft’s first
flyby, on July 2, was at a distance of
some 200,000 miles and proved dis
appointing. Scientists struggled to
discern surface features through
what was described as an “organic
goo,” a hydrocarbon haze likened to
smog over Los Angeles.
This time, Cassini was pro
grammed to also use its imaging
radar to generate topographical
maps and determine whether Titan
has a liquid or solid surface.
Cassini was launched in 1997 and
flew 2.2 billion miles on a round
about route to Saturn. NASA said it
has worked flawlessly since slipping
through a gap in Saturn’s shimmer
ing rings to enter orbit.
The mission was funded by
NASA, the European Space Agency
and the Italian Space Agency.
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