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Mass extinctions due to Mass extinctions due to astronomical events - - PowerPoint PPT Presentation
Mass extinctions due to Mass extinctions due to astronomical events - - PowerPoint PPT Presentation
Mass extinctions due to Mass extinctions due to astronomical events astronomical events ( ) ) (
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- 6500
6500
- 200
200
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- iridium
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- (
(
)
)
- (
( )TNT )TNT
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SLIDE 8
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1.
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- 1999
1999
- (
(Gunther Gunther Korschinek Korschinek) )
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2.
- NASA
NASA
Adrian
Adrian Melott Melott
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3.
- Richard Firestone
Richard Firestone
- Allen West
Allen West
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- 13,000
13,000
- KREEP
KREEP
- 41,000
41,000
- 41,000, 34,000
41,000, 34,000
13,000
13,000
- 150%
150%
175
175
40%
40%
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- 1. Don Quixote mission
- 1. Don Quixote mission
- Deimos-Space
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2. 2.
- “
“
- ”
”
- Stanly. L
- Stanly. L
Edward
Edward
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- “
“
- ……
……
- ‘
‘
’
’
- ”
”Stanly
Stanly
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- Edward
Edward
“
“
- ‘
- ’
- ”
”
- 20
20
- 650
- 200
- Edward
Edward
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“
- ”
- 2015
2015
- “
“
”
”
- David. M
- David. M
- David
David
Edward
Edward
SLIDE 22
- :
- http://news.bbc.co.uk/1/hi/sci/tech/2166598.stm
http://news.bbc.co.uk/1/hi/sci/tech/2166598.stm
- (
(
)
)
- http://
http://www.tvro.com.tw www.tvro.com.tw/ /
- http://
http://www.cc.nctu.edn.tw www.cc.nctu.edn.tw/ /
- http://
http://www.cc.nctu.edu.tw www.cc.nctu.edu.tw/ /
- http://
http://www.cc.nctu.edu.tw www.cc.nctu.edu.tw/ /
- shs.tngs.tn.edu.tw/essay/post/upload/9403/..