This site explains why three percent is a fundamental limit of X-ray detectors that use the conventional method of conversion to electric charges, and if a higher spectral resolution is required astronomers have to...

Provided by Dr. Stephen Wilson, this site illustrates the research using FTIR (Fourier Transform InfrarRed) technology by the Centre for Atmospheric Chemistry at the University of Wollongong. Chemists and students can...

This site from NOVA and PBS provides a simulation of the identification of elements in a star, a nebula, a planet, and a galaxy. The interactive resource allows a user to match individual spectral lines of seven...

Even though it is said to be a complex art, spectroscopy can be very useful in helping scientists understand how an object like a black hole, neutron star, or active galaxy is producing light, how fast it is moving, and...

National Space Science Data Center (NSSDC) Home Page The Astronomical Data Center provides astronomical catalogs and journal tables to the scientific community. The site includes nine data categories: astrometric and...