Assertion: reflecting telescope | /r/CapableOf | become popular
Facets:
value: extraordinarily
type: DEGREE
value: for astronomy
type: OTHER
Source sentences:
text: Isaac Newton has been generally credited with constructing the first practical reflecting telescopes, the Newtonian telescope, in 1668 although due to their difficulty of construction and the poor performance of the speculum metal mirrors used it took over 100 years for reflectors to become popular.
text: Reflecting telescopes became extraordinarily popular for astronomy and many famous telescopes such as the Hubble Space Telescope and popular amateur models use this design.