Astronomical Catalogues
» Question Has Leave a Comment
List of astronomical catalogues From Wikipedia, the free encyclopedia 0-9 1RXH – ROSAT HRI Pointed Observations 1RXS – ROSAT All-Sky Bright Source Catalogue, ROSAT All-Sky Survey Faint Source Catalog 1SWASP – Super Wasp Angle Search for Planets 2MASS – Two Micron All Sky Survey 2MASP – Two Micron All Sky Survey, Prototype 2MASSI – Two [...]
Forgotten Texts of The Bible
» Question Has Leave a Comment
These are other apocryphal texts which never made it into any official canon, but do shed light on the Bible and the history of christianity. The First Book of Adam and Eve The Second Book of Adam and Eve The Book of the Secrets of Enoch The Psalms of Solomon The Odes of Solomon The [...]
Astronomy News
» Question Has Leave a Comment
Coming Soon
Radio Telescope
» Question Has Leave a Comment
Radio Telescope From Wikipedia, the free encyclopedia The 64 meter radio telescope at Parkes ObservatoryA radio telescope is a form of directional radio antenna used in radio astronomy and in tracking and collecting data from satellites and space probes. In their astronomical role they differ from optical telescopes in that they operate in the radio [...]
Meade ETX Telescope
» Question Has Leave a Comment
Meade ETX Telescope From Wikipedia, the free encyclopedia A 105mm diameter Meade ETXThe ETX is a line of Maksutov-Cassegrain telescopes made by Meade Instruments Corporation. They have been produced in diameters of 90mm, 105mm, and 125mm. They are moderately priced compared to other commercialy produced telescopes with their level of performance. Other than Maksutov, another [...]
Pfund Telescope
» Question Has Leave a Comment
Pfund Telescope From Wikipedia, the free encyclopedia The Pfund telescope, originated by A. H. Pfund, provides another method for achieving a fixed telescope focal point in space regardless of where the telescope line of sight is pointed. This configuration utilizes a two-axis feed flat mirror to reflect starlight into a fixed paraboloid of revolution (paraboloidal) [...]
Types of Combined Lens-Mirror Telescopes
» Question Has Leave a Comment
Combined Lens-Mirror Systems (Catadioptrics) Maksutov telescope Schmidt camera Schmidt-Newton telescope Schmidt-Cassegrain telescope Houghton Modified Dall-Kirkham Klevtsov Argunov
Types of Reflector Telescopes
» Question Has Leave a Comment
Reflectors (Catoptrics) Newtonian Gregorian Classical Cassegrain Dall-Kirkham Large liquid mirror telescope Pfund telescope Ritchey-Chrétien Schiefspiegler Yolo Herrig Stevick-Paul
Types of Refractor Telescopes
» Question Has Leave a Comment
Refractors (Dioptrics) Non-achromatic Achromatic Apochromatic Superachromatic
Astronomy Picture of The Day
» Question Has Leave a Comment
Coming Soon
Posts from the Category Grab Bag