Earth, Moon, and Impact
The Single
Most Valuable
Product of the
Space
Program
Crescent Earth
Himalayas from Space Shuttle
Space Shuttle and Aleutians
Fringing
Reefs
Icebergs,
Antarctica
“You Can’t See Borders From Space”
Mexican
Border
Mexican
Border
Menominee County, WI
Landsat
View of
Green Bay
Landsat View of Green Bay
Landsat
view of
Washington
D.C.
Radar
Image of
New York
City
Spy Satellite
Views of Soviet
Aircraft Carrier
Spy Satellite
View of
Soviet
Airfield
World Trade Center, September 11, 2001
And Now For
Something
Completely
Different….
Aurora From Space
Gulf Stream in Infrared
Ultraviolet View of Earth
The Ocean Floor From Space
Earth and Moon Together
An Eclipse of the Sun – By Earth
Impacts on Earth
Recent Impact – Meteor Crater
Manicouagan, Quebec
Sudbury, An Ancient Impact Site
A Shatter Cone
Fallback Breccia
Bessel: A Simple Crater
Ejecta
around
Timocharis
Tycho: A
Central-Peak
Crater
How Central Peaks Form
Upheaval Dome, Utah
Schrodinger: A Peak-Ring Crater
Mare Orientale
A MultipleRing Impact
Basin
Craters and Planetary
History
• Superposition
• Crater Saturation
• Crater Degradation
Superposition
Crater Saturation
Crater Degradation
Mega-Impacts:
As Usual,
Gary Larson
Gets There
First
Computer Simulations by H.J.
Melosh (University of Arizona)
Lunar Rilles
How Lunar Rilles May Form
A “Lunar” Landscape?
Real Lunar Mountains
How We Got It Wrong