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Asteroids
Where are they?



List of named asteroids
Some famous asteroids

Structure and Composition

Gaspra (16 km)
Ida (53 km) 
Mathilde (59 km)
Eros (40 km)
Kleopatra (as seen by radar>


Hayabusa visits Itokawa


Resolution of 10 meters
An ex-asteroid - Phobos?

Asteroids you can touch

Primitive stony and carbonaceous chondrites
Metal and stony processed meteorites


History of the Asteroid Belt and Solar System


Meteors and Meteorites
Meteors and Fireballs




Peekskill Fireball video


Tunguska


Craters
Lonar (India) crater

Arizona Meteor Crater


Research paper on Barringer Crater
Manicougan crater (Canada>

Extinction-Level Events







Shoemaker-Levy 9 Impact











Apophis threatens Earth in 2029



Other impact hazards


Next Lecture
Secret Lives of Professors: The SNAP Satellite


