3 min read The Hubble Space Telescope was designed to free astronomers of a limitation that has plagued them since the days of Galileo ... as a search for "the old" (the universe's earliest ...

Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.

Second, you soon want a bigger telescope. Galileo, who first trained a telescope on the night sky 400 years ago this fall, pioneered this two-step program. First, he marveled at what he could see.

The James Webb Space Telescope is just the latest apparatus in our human exploration toolkit. Moreover, unlike the narrow parameters of Galileo and the groundbreakers of the past, today’s world ...

When he was 28 years old, Galileo became a professor ... but Galileo would eventually prove otherwise. Galileo soon developed the strongest telescope the world had ever seen, and would prove ...

The new evidence regarding Callisto comes from a somewhat surprising place: old data. NASA's Galileo mission, which launched into space in 1989, was designed to study Jupiter, its moons ...

And he succeeded in making a telescope of the sort familiar ... a Venetian gentleman Sagredo (actually Galileo’s close friend of the old days) and a scientifically informed Florentine, Salvatio ...

In his 2006 book, Galileo’s Instruments of Credit: Telescopes, Images, Secrecy, Biagioli chronicles how Galileo, then a 46-year-old professor in Padua, parlayed his discoveries and technical ...