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  2. The Lighthouse of Houston - Wikipedia

    en.wikipedia.org/wiki/The_Lighthouse_of_Houston

    The Lighthouse of Houston is a private, non-profit education and service center dedicated to assisting blind and visually impaired people in the Houston, Texas, United States metropolitan area to live independently. The Lighthouse serves approximately 9,000 people each year and is a member agency of the United Way of Greater Houston.

  3. List of radio telescopes - Wikipedia

    en.wikipedia.org/wiki/List_of_radio_telescopes

    A 21 m. telescope used for academic research and satellite data retrieval and control. Paul Plishner Radio Astronomy and Space Sciences Center Haswell, Kiowa County, Colorado, US An 18-meter telescope under development since 2010 for use by educators in Colorado and others. Sponsored by the Deep Space Exploration Society of Boulder County, Colorado

  4. Texas Department of Assistive and Rehabilitative Services

    en.wikipedia.org/wiki/Texas_Department_of...

    The Texas Department of Assistive and Rehabilitative Services (DARS) was a Texas state agency that was part of the Texas Health and Human Services Commission. The agency worked with Texans with disabilities and children with developmental delays to improve the quality of their lives and to enable their full participation in society.

  5. Radio astronomy - Wikipedia

    en.wikipedia.org/wiki/Radio_astronomy

    For example, a 1-meter diameter optical telescope is two million times bigger than the wavelength of light observed giving it a resolution of roughly 0.3 arc seconds, whereas a radio telescope "dish" many times that size may, depending on the wavelength observed, only be able to resolve an object the size of the full moon (30 minutes of arc).

  6. List of telescope types - Wikipedia

    en.wikipedia.org/wiki/List_of_telescope_types

    Telescopes can be classified by optical design or mechanical design/construction. Telescopes can also be classified by where they are placed, such as space telescopes . One major determining factor is type of light, or particle being observed including devices referred to as "telescopes" that do not form an image or use optics.

  7. Amateur astronomy - Wikipedia

    en.wikipedia.org/wiki/Amateur_astronomy

    GOTO telescopes usually have to be calibrated using alignment stars to provide accurate tracking and positioning. However, several telescope manufacturers have recently developed telescope systems that are calibrated with the use of built-in GPS, decreasing the time it takes to set up a telescope at the start of an observing session.