Hubble's Cosmic Origins Spectrograph.

Spectroscopes or spectrographs are absolutely essential in that toolbox of astronomical tools that are so important for research. They produce ugly pictures. But they are the nuts and bolts of physical science. They put the physics in astrophysics.

If you look out across the universe today and you start seeing this inhomogeneous web-like structure with filaments, places where filaments come together, looks just like a big three-dimensional spider web, tracing all those filaments is the light of ordinary stars and galaxies.

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Category:

Science & Technology

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• science
• space
• orgins
• big
• bang
• dar
• matter
• hubble
• telescope