Cosmology with Type Ia Supernovae

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Paul Gauguin, D'où venons nous? Que sommes-nous?
Où allons-nous? (1897)
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Ia?????????
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1 ????????????????
2 ????????????
3 ????????????
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• ??????????????????????????etc
• 1. How Does Life Begin and Develop?
• 1.????????????
• 2. Does Life Exist Elsewhere in the Universe?
• 2.?????????????
• 3. What is Lifes Future on Earth and Beyond?
• 3.???????????
• (from http//astrobiology.arc.nasa.gov/)
•  

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Ernst Haeckel (1886)
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(No Transcript)
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• ?????????????????
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Joseph Wright, A Philosopher Lecturing with a
Mechanical Planetary (1766)
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Gliese 876b
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Hot Jupiter
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Earth and Moon
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(No Transcript)
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Phoenix (USA)
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Europa
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Titan
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Huygence
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????????????2???????????????
270,000(?) 0.5 0.02 0.01 ?27?
N (??????)(??????) (??2???????)(?????
????)
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N R fp ne fl fi fc L






Drake Equation
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N R fp ne fl fi fc L

• N ?????????????(??????)
• n ?????????
• fp ???????????
• ne ??????????????????
• fl ?????????????
• fi ????????????????
• fc ???????????????

n 100,000,000,000 (1000??)
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fp???????????
???????????????????! (fp1)
????????????????????(fp0.5)
???????????????????????(fp0.1)
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ne????????????????
???????????????????! (ne1)
???????????????????????(ne0.1)
???????????????????(ne0.001)
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fl?????????????
?????????????????????! (fl1)
????????????????????(fl0.1)
?????????????????????!(fl0.001)
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fi???????????????
?????????????????! (fi1)
????????????????????????(fi0.1)
???????????????????????(fi0.01)
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fc??????????????
?????????????????? (fc1)
?????????????????????(fc0.1)
??????????????????(fc0.01)
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1000????! ????????????!
??????1000???????
2???????????1????????????