alan gould - ise webinar: nasa kepler mission
TRANSCRIPT
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A Search for Habitable Planets
ISE Webinar: NASA Kepler Mission
Alan [email protected]
Kepler Mission Co-Investigator Lawrence Hall of Science
University of California Berkeley
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A Search for Habitable PlanetsKepler Mission Goal
Kepler seeks evidence of Earth-size planets in the habitable zone of Sun-like stars.
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A Search for Habitable PlanetsWhat is Earth-size & Sun-size?
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A Search for Habitable PlanetsWhat is the habitable zone?
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A Search for Habitable Planets
What’s this?
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A Search for Habitable Planets
ISE Webinar: NASA Kepler Mission (part B)
Alan [email protected]
Kepler Mission Co-Investigator Lawrence Hall of Science
University of California Berkeley
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A Search for Habitable Planets
Kepler’s Third Law
If R = average distance of a planet from the Sun (in AU)and T = it’s period (in Earth years)then
R3 = T2
For a star of mass Ms (solar masses)
R3 = MsT2
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A Search for Habitable Planets
Linear Plot: Kepler’s 3rd Law
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets
1.88 years
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A Search for Habitable Planets
1.88 years
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A Search for Habitable Planets
1.88 years
1.52 AU
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A Search for Habitable Planets
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A Search for Habitable Planets
What is the period of Kepler-4b?
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A Search for Habitable PlanetsLight curve for Kepler-4b
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A Search for Habitable Planets
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A Search for Habitable Planets
Kepler 4-b
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets
ISE Webinar: NASA Kepler Mission (part C)
Alan [email protected]
Kepler Mission Co-Investigator Lawrence Hall of Science
University of California Berkeley
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A Search for Habitable Planets
Kepler Website:kepler.nasa.gov
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A Search for Habitable Planets
Uncle Al's Starwheels Northern Hemisphere:•English•Higher latitude (60°+)•Kepler •Japanese•Icelandic•Blank starwheel (no lines or labels)
Southern Hemisphere•English •Español •Português•Pulsar (Parks Radio Telescope)
http://store.lawrencehallofscience.org/Item/sky-challenger
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A Search for Habitable Planets
Reminder
Paste Kepler Resources URLs into Chat
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A Search for Habitable Planets
Which of these is the smallest planet?
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A Search for Habitable Planets
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A Search for Habitable Planets
33
Transiting Planets pre-Kepler
Orbital Period in days
Siz
e R
elat
ive
to E
arth
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A Search for Habitable Planets
3434
Candidates as of June 2010Data: May-Sep 2009
Orbital Period in days
Siz
e R
elat
ive
to E
arth
Jun 2010
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets1,284 new Kepler planets confirmed; 550 are possibly rocky and 9 of those reside in habitable zone.
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets
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A Search for Habitable Planets
Kepler-22b Kepler-69c Kepler-62e Kepler-62f Earth
[April 2013: Relative sizes of Kepler habitable zone planets discovered.]
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A Search for Habitable Planets
A guy who’s thought a lot about planetsMore information: kepler.nasa.gov
( By permission Sternwarte Kremsmünster)