IceCube neutrino observatory
Halzen, Francis IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin.
- Invention and discovery of the neutrino
- Detecting solar and supernova neutrinos
- Detecting high-energy neutrinos
- IceCube design
- IceCube capabilities
- Links to Primary Literature
- Additional Readings
It was only in the tenth century that, by building a large box camera, the astronomer Alhazen demonstrated once and for all that we “see” by capturing light from objects that emit or simply reflect light. Light is the messenger that brings the heavens to human eyes; eventually telescopes aided our eyes. For most of human history, that is how astronomy was done. Then astronomers discovered the astounding power of sensing the color (wavelength) of messenger photons. High-energy photons with tiny wavelengths, collected by satellites, revealed the most violent processes in the universe; gamma-ray bursts were discovered. Long-wavelength infrared light divulged spectacular views of star-forming regions. After the opening of the electromagnetic spectrum from radio waves to gamma rays, the idea of changing the messenger itself emerged half a century ago with the entry of the neutrino into astronomy. Neutrinos have the potential to be ideal cosmic messengers. Unfortunately, building neutrino telescopes has turned out to be a daunting technical challenge.
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