English: The Visible Nulling Coronagraph (VNC) at NASA Goddard Space Flight Center. The system includes a deformable mirror and several active optical elements. There are two detectors, both are used to control the deformable mirror, and one is used for the high-contrast detection.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.