publication . Preprint . Conference object . Article . 2002

A Model of the Temporal Variability of Optical Light from Extrasolar Terrestrial Planets

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Open Access English
  • Published: 12 Oct 2002
The light scattered by an extrasolar Earth-like planet's surface and atmosphere will vary in intensity and color as the planet rotates; the resulting light curve will contain information about the planet's properties. Since most of the light comes from a small fraction of the planet's surface, the temporal flux variability can be quite significant, $\sim$ 10-100%. In addition, for cloudless Earth-like extrasolar planet models, qualitative changes to the surface (such as ocean fraction, ice cover) significantly affect the light curve. Clouds dominate the temporal variability of the Earth but can be coherent over several days. In contrast to Earth's temporal varia...
arXiv: Astrophysics::Earth and Planetary AstrophysicsPhysics::Geophysics
free text keywords: Astrophysics
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