Findings:

• spectral class
• The Descent
• Amnesia: The Dark Descent
• emergency descent
• Descent into the Depths of the Earth
• Imager
• Thermal Imager
• Radiometer
• Recursive Descent Parser
• Spectral
• Yerkes Spectral Classification
• relative spectral sensitivity of the human eye
• A History of Stellar Spectra
• The Spectral Attitudes
• spectral radius
• spectral theorem
• spectral line
• spectral theory
• Spectral Pickle Factory
• Thoughts on Jesus Christ's descent into Hell
• Descent
• Descent 2
• Descent 3
• common descent
• crumble slow descent lost, and jello
• Rapid Uncontrollable Descent
• A Descent into the Maelström
• A Descent into the Maelström - continued
• Descent to Hell
• Infinite Descent
• identity by descent
• The Matrilineal descent of the Jewish people
• Unilineal descent group
• Descent (user)
• Descent from Xanadu
• Descent II
• Better solutions for surname descent
• The descent of the House of Bruce
• Sunsets, Swimmers, Soirees and Somnambulism. A mid autumn Sydney descent into hedonism

If you Log in you could create a "Descent Imager/Spectral Radiometer" node. If you don't already have an account, you can register here.