Building a better refractor The spyglass-turned-telescope had limitations, some of which Galileo was able to design around ... a regular curvature, so the reflector remained largely a curiosity ...

This is the metadata section. Skip to content viewer section. ABSTRACT The Space Telescope Imaging Spectrograph (STIS) instrument was installed on the Hubble Space Telescope (HST) during the second ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

Dobsonians are based on the reflector telescope design that sees a large primary mirror collect light then reflect it back into a secondary mirror (here's an explainer of the different telescope ...

At its core it’s a Newtonian reflector telescope like many ... telescopes in its price point is its manual design. This is not a ‘go to’ telescope in any way; you’ll need to find ...