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GG-105: An illustrated voyage through our Solar

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GG-105: An illustrated voyage through our Solar Fall, 2007 Professor Klaus Keil Office hours in POST 509B: Tuesdays and Thursdays, 10:00 - 11:00 a.m. – PowerPoint PPT presentation

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Title: GG-105: An illustrated voyage through our Solar


1
GG-105 An illustrated voyage through our
Solar Fall, 2007 Professor Klaus Keil Office
hours in POST 509B Tuesdays and Thursdays, 1000
- 1100 a.m.
2
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3
Our star, the Sun, showing structure in its
surface (granules, and a major solar flare
4
Mariner 10 image of the highly cratered surface
of Mercury
5
Mariner 10 close-up image of the highly-cratered
surface of Mercury
6
Venus, the shrouded planet
7
Spaceship Earth, our oasis in the emptiness of
space
8
Unique to Earth, plate tectonics Formation of
ocean Basins and continents
9
Violent eruption of Mount St. Helens in 1980
10
Earths Changing Climate
Carbon dioxide
Ozone Hole
Climate Records
11
The Moon, our neighbor in space, has large impact
basins (mare) filled with black volcanic basalt
flows. The crater with the pronounced ejecta
rays at the bottom of the image is Tycho
12
The Apollo spacecraft over the Moon, showing the
dark, basaltic mare and the light, anorthositic
highlands. Planet Earth in the background.
13
The rising Earth with the Moon in the foreground
14
Apollo 11, first landing on the Moon. There is no
atmosphere on the Moon, yet the flag appears to
be blowing in the wind it is supported by a rod
on the top!
15
Size comparison of Earth, Mars and the Moon Mars
is in-between Earth and Moon in size and in
many of its properties
16
The remarkable morphology of Mars High mountains
and deep valleys
17
The shield volcano Mons Olympus on Mars The
highest mountain in the Solar System
18
The first color image of the surface of Chryse
Planitia on Mars obtained in 1976 by the Viking
Lander. The surface soil is red, because when
basalt weathers, red iron oxide forms, just like
in Hawaii. The color was calibrated by the known
color of the cable in the foreground on the
Viking Lander. Notice the reddish, rather than
blue, sky. This results from red dust blown into
the thin Martian atmosphere by wind storms.
19
Possible Water on Mars Past and Present?
Ancient river valleys
Recent gullies
20
Asteroid Eros, with landing site of the
spacecraft NEAR (Near Earth Asteroid Rendezvous)
indicated
21
Closest image of the landing site of the NEAR
spacecraft on asteroid Eros
22
Cut and polished slab of a chondritic meteorite,
a fragment of a broken-up undifferentiated,
primitive asteroid. White metallic Fe,Ni gray
silicates. Diameter of slab 6 cm.
23
Cut, polished, and etched slab of an iron
meteorite, a fragment of the core of a broken-up,
differentiated (melted) asteroid, showing the
Widmanstätten structure and a round inclusion of
troilite, FeS. Longest dimension 10 cm.
24
Cut, polished, and etched slab of a pallasite, a
fragment from the core - mantel boundary of a
broken-up, differentiated (melted) asteroid.
Longest dimension 8 cm.
25
Jupiter, the largest planet in the Solar
System. The Big Red spot is a gigantic
hurricane.
26
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27
Jupiters moon Io, volcanologically the most
active object in the Solar System. The unusual
color is due to sulfur, ejected by volcanoes (the
dark objects are volcanic calderas).
28
Saturn, the ringed planet
29
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30
The Voyager spacecraft discovered rings within
rings within rings in Saturns ring system
31
Saturns moon Mimas
32
Saturns moon Titan
33
The Huygens Probe of the Cassini spacecraft
diving into the atmosphere of, and landing on,
Saturns moon Titan
34
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35
1910 apparition of Halleys comet
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