Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

Small instruments – whether for amateur astronomers starting ... while telescopes flown aboard balloons or aircraft need to be compact. Although reflecting telescopes can be much lighter than ...

He reached a point of diminishing returns beyond which enlarging the image made what was seen through the telescope too small to be of ... was the first working reflecting telescope.

Radio telescopes are one of the more high-profile pieces of scientific apparatus. There is an excitement to stories of radio astronomers of old probing the mysteries of the Universe on winter ...

For the first eight years of its life, the 24-inch was the sole telescope at SBO, and was kept busy seven ... the long-and-narrow refractor and its replacement short-and-fat reflector. In order to ...

The favored scheme was an array of relatively small dishes (antennas), with a nearly-random ... ground surrounding the telescope. Moving the reflector assembly off-center minimizes the chance of ...

Gaze into the great beyond from your own backyard with the best telescopes for stargazing, where distant galaxies become backyard companions, and the moon feels like a mere stone's throw away.