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Unformatted text preview: 3/45/40) Extrapolated to 0.3% S,
Molar Fe2+/Fetotal from Mossbauer Apatite TES Surface Type 2
By Dust TES Surface Type 1 Interpretations of Spectral Compositions
TES Surface Type 2
By Dust TES Surface Type 1 Basaltic
Andesitic Bandfield et al., 2000 Basaltic
Andesitic Hamilton et al., 2001 Basaltic
Wyatt and McSween., 2002
Altered Basalt Vastitas Borealis
Asteroids Asteroids: Nature
Asteroids: Nature Asteroid is Greek for "star-like“. Asteroids are small rocky objects that look like stars in
telescopes, except that they move across the sky like planets
and are part of the Solar System.
and Most asteroids are found in the Main Belt between Mars and
Jupiter and in the Kuiper Belt beyond Neptune.
Kuiper Many exist in near-Earth space too and are known as NearMany
NearEarth Asteroids or NEAs. Other smaller populations exist too: Trojans, Apollos, Amors,
Centaurs,… There may be 1,000,000+ asteroids >1 km in diameter. Asteroids: The Main Belt
Asteroids: The Main Belt
• The Main Belt extends from
about 2.2 to 3.3 AU
• Most of the orbits lie at or
near (±10° to 20°) the
plane of the ecliptic
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This note was uploaded on 11/10/2011 for the course GEOL 380 taught by Professor Mcsween during the Spring '11 term at University of Tennessee.
- Spring '11