Topic: virtual telescope

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virtual telescope

The Columbia Encyclopedia, Sixth Edition
virtual telescope a computerized interferometer (see interference ) that merges the images from two or more telescopes to obtain a single, large, enhanced image. The image in each telescope is made from electromagnetic waves (light waves from an optical telescope, radio waves from a radio telescope), each wave having peaks and valleys. Combining several waves into one makes the peaks higher and the valleys lower, resulting in a single, enhanced wave. This tends to make stars appear to be brighter and to increase the distances at which celestial objects can be studied. The peaks and valleys... Read more
telescope
The Columbia Encyclopedia, Sixth Edition ... resolving power of the telescope and is proportional ... the diameter of the telescope. Thus, the larger ... or power, of the telescope is relevant only when ... angular size of the virtual image seen by the ... obtained with a given telescope by the use of an appropriate ... of the Hobby-Eberly ... Read more
Observatories, Space-Based
Space Sciences ... observatories is the Next Generation Space Telescope (NGST), the successor to the Hubble Space Telescope. Scheduled for launch in 2009, NGST will use a telescope up to 6.5 meters (21.3 feet) in diameter ... observe dimmer and more distant objects. The telescope will be located at the Earth-Sun L-2 ... Read more

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Google Sky turns computer into virtual telescope, planetariu