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John Lowry Dobson (14 September 1915 – 15 January 2014) was an American amateur astronomer and is best known for the Dobsonian telescope, a portable, low-cost Newtonian reflector telescope. [3] He was also known for his efforts to promote awareness of astronomy (and his unorthodox views of physical cosmology ) through public lectures ...
A Sidewalk Astronomer is a 2005 documentary film about former Vedanta monk and amateur astronomer John Dobson. [1] The film follows Dobson to state parks, astronomy clubs, and downtown streets as he promotes awareness of astronomy through his own personal style of sidewalk astronomy .
A car plowed into a crowd at a Christmas market in eastern Germany on Friday, leaving five people dead and more than 200 injured, dozens of them critically.A 9-year-old boy was among those killed ...
Today's Top News Story At meeting with Trump, Zelenskyy will seek security assurances against future Russian aggression Ukrainian President Volodymyr Zelenskyy is meeting with President Donald Trump in Washington More »
Today's Top U.S. News Story Judge finds mass firings of federal probationary workers were likely unlawful A federal judge in San Francisco finds the mass firings of probationary employees were likely unlawful More »
A Dobsonian telescope is an altazimuth-mounted Newtonian telescope design popularized by John Dobson in 1965 and credited with vastly increasing the size of telescopes available to amateur astronomers. Dobson's telescopes featured a simplified mechanical design that was easy to manufacture from readily available components to create a large ...