Oregon daily emerald. (Eugene, Or.) 1920-2012, August 10, 1993, Page 4, Image 4

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_344-3106_
METEORS
Continued from Page 1
Dr Robert 1. Zimmerman, astronomer and Uni
versity astrophysics professor, agreed that many
si tentist are predicting a meteor storm his ause of
Swift 1 ultle's passage by the sun Inst year Zim
merman incite altil that si ienlists were talking about
it through e-mail
Zimmerman said that before 1992. the Perseid
showers seen were actually debris that had decayed
oil of the Svs ift -Tuttle i niiii’t as it (Missed by the sun
long ago.
"They were out there waiting hundreds and even
thousands of years for Earth to collide with them."
Zimmerman said
Zimmerman said that when Swift-Tuttle passed
In the sun Hi 1992. new meteoroids boiled off of
the comet However, in 1992 the new meteoroids
were hard to see Ih*< ause they were upstaged by a
full moon This year's fVrseids will lie particular
ly y isilile Ins ause there will almost Ih- a tuns moon
Zimmerman and thousands of other star watch
ers all oyer the yyorld will go out in se.iri h of i lear.
dark skies Wednesday and Thursday to study and
enjoy the spec tm It- Aslrntuvin magazine predii Is
the best sightings in Asia and Europe, hut a storm
- otild happen anywhere
Many amateur star yy ah tiers hove had star pur
ties I hese i elestuil ji.ijmi.i/zi stay iiji late into the
night As they sit in the dark under blankets, they
sip coffee, mum li i ookies and probe the sky yvitli
their eyes Some will take photographs and rm ord
data to present to astronomic al organizations
Meteors and their parent comets are made of.
among other things, chunks of methane, ammo
nia and i art Kill dioxide ii «• and hits of intergulai tic
rm ks and dust
When i of nets made of this dirty u e |iass by the
sun the sun s intense yy axes of heat and light thaw
all tuts of dt-bris This prm ess of dm ay makes a gag
gle of ne\y "shooting stars." yy hit h inters** ts the
jiatli of Mirth and hits its atmosphere like hugs on
a windshield
The Swift Tuttle i omet orbits the sun oil an ellip
In al path that takes 1 to years As Earth tills into
tins newlv hale lied stream of meteoroids, inhabi
tants y\ ill Ih- able to see the luminous phenomenon
of sand sized partic les entering the atmosphere at
lnn.uoo in|*ii
To observe the shower or storm, find a plat e ysell
away front city lights yvith feyy or no trees, book
in the northeast sky toward Pegasus or Polaris, the
North St.it The shower wilt bc-gin after midnight
and may |M-.ik hetvyeeu lam and dawn
Professor Zimmerman ret minuends bringing
The appearance ot the Leonid meteor showers in
1833, according to an artist.
binoculars to observe meteor trails as they are
blown anti distorted by winds in the upper atmos
phere Astronomy magazine suggests bringing
sleeping bags or blankets for warmth, coffee,
snat ks. hug spray and a chaise lounge It is also
recommended to work under ret! light to keep ey es
adapted to the tiark
Zimmerman said people should not be afraid tif
being strut k by meteors Most .ire the size of sand
grains trekking fit) to fit) miles above observers on
firth He said essentially all of them w ill burn up
in tin- atmosphere.
Meteors can sparkle, smoke and sizzle. Act ord
ing to historical data, sonit booms have been
heard from larger meteoroids and comets The
larger ones t an look like giant refrigerators on fire,
shooting through the sky like ro< kets and leaving
vapor trails that last in the eyes for minutes after
their passage and in the imagination for the rest of
one's life
If you want to wish on a falling star, then
Wednesday and Thursday should he lucky days
PHYSICS
Continued from Page 1
sums and invited talks by
prominent physicists from all
over the world
A President's Banquet, with
University President Myles
Brand, was in the Willamette Hall
Atnuui Sunday night with blue
grass musii for entertainment
t his, as well as other evening
banquets during the conferem e,
provide the opportunity for the
most signifii ant attribute of the
conference • the opportunity fur
delegates to exi hange ideas in a
selling ttint only occurs every
three years with people that they
might not otherwise be able to
communu ale w ith
The conferem e also prov ides
an opportunity for si ientists to
v isit the United States when,
without funding from the spon
sor. the International Union of
Pure and Applied Physics, and
the International Si ience Foun
dation. they would not la* able to
Vladimir Kashirin from the the
Academy of Sciences Ukraine in
Kharkov is visiting America for
the first time The only other time
he has been out of the Ukraine
was last Man h for a small con
fereiu e in Germany
"America is very different,"
said Kashirin in halting English
"But it's interesting to walk
around the city and to look at the
University. I have also met some
very interesting people (at the
conference).”
Kashirin, like most of the del
egates. gave a talk atiout his work.
Ilis was titled "Electron Phonon
interaction in Thin Disordered
Films Bi" and his speciality is
‘It's very nice to
meet people
interested in your
work, and it’s a
good atmosphere
Sasha Inyushken.
physics delegate
quantum interference
Kashirin will also attend three
ol the four satellite confereni es
that are pre- and post-l.T20 in
Eugene There are four other
satellite conferences in Min
neapolis. Boulder, Berkeley and
Cijolla. Calif. These confereni es,
including ET20 in Eugene, hap
pen from July 2t> to Aug. t-t
Administrative assistant Sau
di South said the conference is
going well
"You make so many assump
tions (when you an* organising a
conference), hut you can't ever lie
too i tear.” she said, “(liven that
this was essentially put on by a
group of students, it s going v er\
well
Aside from South, administra
tive coordinator Janice Niemela.
Chairman Donnelly. Vice Chair
man and Treasurer Martin
VVybourne. and Dietrich Helit/
and Steven Gregory, of which the
last four art* professors in the Uni
versity's Department of Physics,
the conference is staffed by stu
dents from the University.
"The staff is killing themselves
to do a good job." Niemela said
of the students. "(And) so far
everything is going very smooth
Is with no serious problems
Some of the most serious prob
lems seem to he along the lines
of; “Which bus do I take to Val
les River Outer?,'' "Where can 1
fiuv a good bottle of ss me7.'' and
the nee essity of a professor fax
ing home because his cat was
attacked and stui k hi a tree
Chairman Donnelly's mils
response to the confereni e so far
was: "I'm breathless!"
Delegate Sasha Inyushken from
the Russian S< ientific Outer kur
chutov Institute in Moscow is
sers pleased svith the conference
It's vers nice to meet people
interested in sour sxork, and it's
a good atmosphere.'' said
liivu&hken. who recently spent
six months working in a lab in
Berkeles ' Eugene is a very nit e.
a very beautiful place and the
(ample are nice
The conferences should create
a positive impact on the com
munits Mans of tiie delegates
hrought members of their fami
lies. taking the number of visitors
|>ossibis up to 2.000
Each visitor is estimated to stus
an average of 10 days and expect
ed to spend an average of $125
per das Combined svith the
direct spending of about
$650,0000 in preparation for the
conferences, the influx of money
svill total about Sit 15 million
Donnelly, who is also involved
svith the Oregon Bach Festival,
used the multiplier for the "rip
ple effect" of spending in the
community. If the same sort of
multipliers are applied to ET20
as to the Oregon Bat h Festival,
the economic impact could pos
sibly reach as high $6.6 million.