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(Exo-Starshade, Exoplanet Starshade)
(a study on the concept of a starshade mission)

Exo-S (Exo-Starshade, for Exoplanet Starshade) is a project to study the concept of a Starshade, to aid in the study Extra-Solar Planets via Direct Imaging. The conceived shade would be used by a telescope launched as some other mission, e.g., WFIRST.

The plan is to give it the fuel to place itself in front of the telescope for each observation of a system. To make this practical, i.e., do it with a reasonable fuel capacity, movement from one observation to another would be slow, presumably taking weeks.

A parallel study, Exo-C explored a mission to launch a telescope modeled on Kepler, but instrumented for direct imaging, e.g., with a suitable Coronagraph.


Referenced by:
New Worlds Mission