Recent progress on external occulter technology for imaging exosolar planets

Physics & Astronomy

• petals 100%
• extrasolar planets 77%
• manufacturing 58%
• formation flying 53%
• retarding 53%
• telescopes 53%
• simplification 37%
• flight 33%
• planets 32%
• prototypes 27%
• stars 23%
• propagation 20%
• diffraction 18%

Engineering & Materials Science

• Telescopes 82%
• Planets 82%
• Imaging techniques 53%
• Wavefronts 46%
• Diffraction 37%
• Testing 36%
• Stars 36%
• Testbeds 34%
• NASA 32%
• Satellites 27%
• Experiments 12%

Earth & Environmental Sciences

• planet 63%
• manufacturing 57%
• laboratory 37%
• technological development 37%
• diffraction 33%
• measuring 23%
• program 18%
• experiment 13%
• analysis 9%