Does a Newtonian telescope really offer a noticeable resolution advantage? In this video, we test it out and compare results ...

Explore how to reduce or remove Newtonian star spikes and achieve the smooth star shapes typical of refractor telescopes.

So the presence of a clear, bright star trail tells astronomers that a galaxy has either recently fallen into a cluster, or has recently run into another galaxy inside the cluster, and hasn't yet had ...

While Amazon Prime Day is now over there's still an amazing deal on this Celestron 114LCM computerized Newtonian telescope normally worth $439.95 now listed as just $372 on Amazon with a savings of ...

I'm listing this for my father. I've used the scope a few times myself and it is a good one. For sale: Meade 8" Starfinder Reflecting Telescope with a German equatorial mount, 115 volt clock drive, ...

Members of the public will be able to view the moon in exceptional detail for free using high-quality telescopes on Saturday at a University of Colorado Boulder event. CU Boulder’s Laboratory for ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is an 8-inch diameter mirror for ...