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Meteorites: The poor man

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Title: Meteorites: The poor man


1
Meteorites The poor mans space probe
From Earths Moon 35 From Mars 35 From
asteroids gt22,000
2
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3
Asteroid Eros Orbited by NEAR spacecraft in
2000
NEAR Near Earth Asteroid Rendezvous mission.
Eros is 31 km in longest dimension
4
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5
The fall of one of the oldest preserved
meteorites, on Nov. 16, 1492, at Ensißheim,
Alsace-Lorraine
6
The fall of one of the oldest preserved
meteorites, on Nov. 16, 1492, at Ensißheim,
Alsace-Lorraine
7
Contemporary report of the fall on Nov. 16, 1492,
of the Ensißheim, Alsace-Lorraine, meteorite
8
Meeting of the Friends of the Ensißheim
Meteorite
9
Use of meteoritic iron in the manufacture of
swords and knifes
10
E.F.F. Chladni (1756-1827) was the first to
recognize that meteorites fall to Earth from
space. In 1994, McCoy, Steele, Keil, Leonard
and Endreß named a new mineral, a Na-Ca-Mg
phosphate from the Carlton iron meteorite (and
unknown from earth rocks) chladniite in his honor
11
Definitions Meteoroid An object gt a molecule lt
asteroid traveling in space Meteor The light
phenomenon associated with a meteoroid passing
through Earths atmosphere Meteorite A
meteoroid after it landed on Earth or any other
planetary surface Meteorite fall A recovered
meteorite that was seen to fall Meteorite find
A recovered meteorite without a record of its
fall Meteorite names After landmarks near their
place of fall or find (e.g. the Honolulu
meteorite) Meteorites recovered in areas with a
lack of landmarks (e.g., Antarctica, Sahara
desert), are named after the general area of
recovery, and given a number (e.g., ALH84001
Sahara 97166)
12
Antarctica is best place to find meteorites on
Earth!
13
Searching for meteorites, 1992 - 1993
14
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15
Flow of ice from center of Antarctica to the
coast concentrates meteorites up-slope from
mountains
16
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17
Hoba, South Africa, at 60 tons, is the largest
iron meteorite preserved in one piece. Find,
1920.
18
Hoba, South Africa
19
Hoba, South Africa
20
Ahnighito (Cape York), Greenland, 31 tons, now in
the American Museum of Natural History, N.Y.
21
Agpalilik, Greenland, 20 tons
22
Agpalilik, Greenland, being loaded on a US Air
Force vessel for transport to Denmark
23
Mundrabilla, Australia, 22 tons
24
Willamette, Oregon, 14.2 tons
25
Morito, Mexico, 11 tons
26
Jilin, China, stone meteorite impact pit
27
Jilin, China, stone meteorite, 1.7 tons, fall,
March 8, 1976
28
Jilin, China, 1.7 ton stone meteorite (ordinary
chondrite)
29
Norton County, Kansas, 1 ton, stone meteorite
(aubrite), fall, February 18, 1948.
30
The flight-oriented Horace, Kansas, stone
meteorite (ordinary chondrite. Find, 1940 side
view.
31
The flight-oriented Horace, Kansas, stone
meteorite (ordinary chondrite. Find, 1940 front
view.
32
Benld, Illinois, stone meteorite (ordinary
chondrite) fall, September 29, 1938.
33
Sylacauga, Alabama, stone meteorite (ordinary
chondrite) fall, November 30, 1954, weight 5.6
kg. Hit roof, crashed through ceiling, and hit
Mrs. Hodges on the upper thigh.
34
Sylacauga, Alabama, stone meteorite (ordinary
chondrite) fall, November 30, 1954, weight 5.6
kg. Hit roof, crashed through ceiling, and hit
Mrs. Hodges on the upper thigh.
35
Peekskill, N.Y. stone meteorite (ordinary
chondrite), fall, October 9, 1992, weight 12.6
kg. Hit Michelle Knapps car parked before her
house.
36
Damage to Michelle Knapps car, by the fall of
the Peekskill stone meteorite fall, October 9,
1992.
37
The happy Knapp family with the Keepskill stone
meyeorite
38
The Keepskill ordinary chondrite
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