EXTENDING OUR SENSORY RANGE USING TECHNOLOGY
HUBBLE TELESCOPE

Scientific instruments have opened up sensory domains far beyond the constraints of biological perception. Technology has extended our phenotype enormously and has pushed the boundaries of what can be known...

LINK TO The Hubble Site: The Meaning of Color in Hubble Images

The Hubble Space Telescope was laiunched in 1990. It is famous for its spectacular color pictures of galaxies, planets, and nebulae. Multiple optical filters allow it to detect ultra-violet and infra-red in additional to the visible light spectrum. What do the enhanced colors convey? Are they mere artifacts or do they reveal new data about objects in the cosmos?