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La misión Kepler de NASA
Geert Barentsen
August 02, 2017
Science
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La misión Kepler de NASA
Outreach talk for a group of Mexican students who visited NASA Ames in August 2017.
Geert Barentsen
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Transcript
La misión Kepler de NASA Geert Barentsen (@GeertHub) Director, Kepler/K2
GO
¿Estamos solos?
Image: NASA
Buscando planetas Luminosidad Tiempo (horas)
Jupiter Tierra Nuestro Sistema Solar a escala
Jupiter Neptuno 2 x La Tierra La Tierra Los planetas
pequeños son difíciles de encontrar Tiempo (horas) Tiempo (horas) Luminosidad Luminosidad
* •need to look at the right place • at
the right time •and measure the brightness of stars • with extreme accuracy
La misión Kepler de NASA “¿Los planetas como La Tierra
son comunes?”
* Kepler was launched on 6 March 2009 0.95-m Schmidt
telescope 100 megapixel camera (100 deg2) 1 or 30 min cadence El satélite Kepler
* Marzo 6, 2009
None
Radius Relative to Earth Orbital Period in days Tamaño Detectiones
de Exoplanetas, 1989-1995 Periodos orbitales en días
Radius Relative to Earth Orbital Period in days Detectiones de
Exoplanetas, 1995-2009 Tamaño Periodos orbitales en días
Radius Relative to Earth Orbital Period in days Detectiones de
Exoplanetas, 1995-2013 Tamaño Periodos orbitales en días
• Descubrimiento • Hay más planetas que estrellas en nuestra
Galaxia
Velocidad radial Tránsito
Demasiado grande! Perfecto. Demasiado pequeño!
Tamaños de los planetas candidatos para Kepler
Demasiado calor! Perfecto! Demasiado frío!
!20
• Descubrimiento • ~20-60% de las estrellas similares al Sol
tienen planetas como la Tierra a su alrededor
Masa Radio
!23
*
None
HR 8799
* Eclipse de sol total
¿Estamos solos?