Psychicvisions Home Page. Numerology: Karmic Debt Numbers. In numerology there is a very interesting concept called the karmic debt number. This is based on the idea that each of us is a spiritual being that is reincarnated again and again, and each time we reincarnate we reach higher states of awareness.
There are two basic kinds of uses for telescopes: daytime terrestrial (bird watching, scenery, sports) and astronomical (planets, galaxies, stars, the Moon) viewing. All telescopes can be used in some capacity for both purposes, but some telescopes are best suited for only one use.
This list of the largest optical reflecting telescopes with objective diameters of 3.0 metres or greater is sorted by aperture, which is one limit on the light-gathering power and resolution of a reflecting telescope's optical assembly. The mirrors themselves can be larger than the aperture, and telescopes may use aperture synthesis achieved by interferometry. Telescopes designed to be used as optical astronomical interferometers such as the Keck I and II used together as the Keck Interferometer