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Galileo Legacy Powerpoint - Solar System Exploration

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"All truths are easy to understand once they are
discovered; the point is to discover them."
Galileo Galilei (1564-1642)
October 18, 1989
Venus-Earth-Earth
Gravity Assist a.k.a.
“VEEGA” was a first.
The mission planning
guys figured out how to
do that with Galileo.
"My car license plate says `VEEGA,'
…Every morning,
I go out and I see the word.”
Roger Diehl
Trajectory specialist
Venus flyby
February 10, 1990
Goodbye Home
December 11, 1990, from about 1.3 million
miles away.
Galileo discovered Dactyl
orbiting the asteroid Ida.
"I popped in these two wonderful 8x10’s and
became the first human being to see a stereo
image of an asteroid at high resolution!
That entire weekend, anyone who came close
to my door was dragged over:
’Look at this!’
You know, the mailman, the babysitter.
That was really a thrill."
Paul Geissler
Planetary geologist
Galileo was the first spacecraft
to observe an impact
into a planetary body,
when comet Shoemaker-Levy 9
crashed into Jupiter.
July 22, 1994
First probe into a gas
giant’s atmosphere
“With only a week to go, I'm really excited. It's
hard to sleep at night…
I have to just give up … and write out what I'm
thinking… Even doing that I can't always get
back to sleep, but sometimes it works.”
Jim Erickson
November 27, 1995
Probe Release
“The signal came about 6 minutes later than I
had been expecting, so I was getting very fearful
that something had gone wrong.
When the confirmation finally came through,
I was nearly in tears from the joy of knowing that
we had done it!”
Leslie Tamppari
December 11, 1995
Probe Release
Galileo discovered a possible
ocean on Callisto.
Jupiter's moon Callisto
Famous last words:
"We will never want to do
on-board management of
the tape recorder..."
Galileo discovered that
Jupiter has thunderstorms
1,000 times larger than
those on Earth.
Water Cloud Thunderstorm Northwest of Great Red Spot
Galileo observes
thunderheads and
lightning in Jupiter's
atmosphere.
Jupiter Lightning
Galileo’s Near-Infrared
Mapping Spectrometer
(NIMS) discovers
fresh ammonia clouds
on Jupiter.
Jupiter's multi level clouds
September 5, 1996
NIMS looks at the Great Red Spot
Galileo observes
volcanic activity on Io.
Eruption on Io
June 28, 1996
Io
Oct. 16, 2001
Voyager-1979
Galileo - 1997
"There was always something to fix.
It kept me busy.''
Greg Levanas
Engineer
Volcanic plumes on Io
Color Mosaic and
Active Volcanic
Plumes on Io
November 17, 1997
Io's Culann-Tohil
Region
“New Galileo Images Hint At Wet And Wild
History For Europa”
NASA Press Release
April 9, 1997
“Solar System's Largest Moon Likely
has a Hidden Ocean”
NASA Press Release
Ganymede
December 16, 2000
Ganymede - Ancient
Impact Craters in
Galileo Regio
Ganymede
Simultaneous observation
of the Jupiter system by
two spacecraft
(Cassini and Galileo)
Galileo and Cassini spacecraft in late December 2000 and early January 2001.
Jupiter's rings found
to be composed of
debris from Jupiter's
small inner satellites
Jupiter's Inner Satellites and Rings
Jupiter's Inner Satellites and Ring Components
Jupiter's Ring System
Jupiter's Main Ring/Ring Halo
"It's not going to go on forever.
Everything has to end.
It's going to be a sad day though.”
Andy Ingersoll
Scientist
“If we found life someplace else
it would give us a vastly
new perspective on existence.
We would probably realize that we weren't
quite so important as we thought we were.
I mean, it might take us down a peg,
which … could be useful.”
Randy Tufts
Former geologist at the University of Arizona
(1949-2002)
We will be back
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