1
2. ???????????? 1)????????
2)?????????????????? 3)????????????????????
4)???????????? ??????????? 5)?????????????????
???????
2
?????
3
H H ? He (???????)
?????????????
??????????????????
- ??????????? - Oddo-Harkins(??-?????)??? ?????
??(O, Mg, Si, S, Ca, Ti, Fe) ??
?????? ???????(Na, Al) ???
4
?????????
5
??????
???
??
???
??
??
??
??
??
6
???????
??????????(25??)
???? ?? ???3??? ???? 872?
5
7
???????? ???????
?????????(???????)
???????????????? 1,200?? (????????????????)
8
??
9
???????????????????
??1???
C1??????(??)???? Oddo-Harkins????????(??)???? ?
?????????????????? ??????????????????? ?
?????????????????????
6
10
????10???????????????????(1969?)
????????!
11
(No Transcript)
12
?????????????????
????????????(?1?6??!)
???? 12/10
13
??????
??????
??????
?????
14
?9
???(???)
?? (???)
15
(No Transcript)
16
?10
???/????
17
(No Transcript)
18
???????(NEO),????
NEO(Near Earth Object)??,,, ??????????
???????
????
19
?????????????
S???? ?? ?1.90g/cm3
Rubble pile??(??????,?????????????)
20
(No Transcript)
21
10/6 0639 (GMT) ???2008 TC3 ??
2008TC3
???2008TC3????????????(??)
22
10/6 0730 (GMT) 2008 TC3 ??????????
?????? ???????????? ?????? 2008/10/7
0246 (GMT) ????????(??) 2-5 m
23
2008/10/7 024540 (GMT) 2008 TC3
??????????????????????. 2008/10/7 024545
(GMT) 2008 TC3 ????????37km???.
????????????
?????????
24
Bischoff et al (2010)
???2008 TC3 ?????????(?????!) ??????Almahatta
Sitta 2008 TC3??? ???2008 TC3
???????,H,E??????????????????. ??????????(25-37
).?????9 ??
??????
25
?????????(1908?6?30?)
???30 km?????????? ??????1015???? ??60100
m??????????, ??68 km???(?)
26
????
??????(????)
????????(?????)
???????(????????)? ???530 km ?????3????????, ????
?????? HED??????
??(???)
27
?????????(????)
?????? SNC?? S ????????(Shergottites) N
?????(Nakhlites) C ??????(Chassingnites)
28
(No Transcript)
29
???????
C
N
S
30
(No Transcript)
31
?????? Allan Hills (ALH) 84001 ???1984???????
32
101?(2011???)
33
??
??????
???????(?? 8,500 Km)
????????
???????? ?????(?) ?????????? ??????????
34
??????????????
Ol
Ol
????????(?)
Pv Mw
???????
35
DaG 735 (??????)
???????????????????????
Ol
Ol
Pyx
Shock-melt vein
36
?????????(????)
????? ????? ????
37
?? (3846??)
???????(???)
? (3238??)
????????????????
??????(???)
38
?????
146?(2011???)
39
??????????????38-41????????????
?????????
40
Asuka 881757 (?????)
Grain 2
Grain 3
Grain 1
41
????????(?????????)
?????????????
Fd
SiO2 glass
Melt (?)
100 µm
Asuka 881757 (?????)
42
??
?????
?????
????????? ?????????????????? (????????????20?????
?????????) ????,??????????,,,
43
????????????
??????????? ? ????????? ???? ?????? ??????
??????(Na??) ???????????? ???????? ?
???????????? ??????????????????????????????