The Atacama Large Millimeter/submillimeter Array is an astronomical interferometer of 66 radio telescopes in the Atacama Desert of northern Chile, which observe electromagnetic radiation at millimeter
ALMA Antennas on Chajnantor
ALMA logo
The first two ALMA antennas linked together as an interferometer
Three ALMA antennas linked together as an interferometer for the first time
Coma (comet)
Videos
The coma is the nebulous envelope around the nucleus of a comet, formed when the comet passes near the Sun in its highly elliptical orbit. As the comet warms, parts of it sublimate; this gives a comet
Structure of Comet Holmes in infrared, as seen by an infrared space telescope
Comet 17P/Holmes, 2007/11/02
Tempel 1 in X-ray light by Chandra
Artificially colored far-ultraviolet image (with film) of Comet Kohoutek (Skylab, 1973)