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

T he telescope began as a relatively simple device, born out of optical experimentation. It combined a series of lenses and mirrors to collect and magnify light, allowing the user to see far away ...

The first spectacles, designed to correct farsightedness ... "objective" lens—the convex lens at the far end of the telescope—Galileo ground a lens larger than he needed, for example.

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.

3 min read The Hubble Space Telescope was designed to free astronomers of a limitation that has plagued them since the days of Galileo—Earth's atmosphere. Shifting air pockets in the atmosphere ...

Galileo said it best: telescopes “reveal the invisible ... Prepare to be dazzled! My first word of advice is to BE PATIENT. Too many Christmas telescopes wind up neglected because of bad ...

Galileo mentions that “On the 7th day of January in the present year, 1610, in the first hour of the following night, when I was viewing the constellations of the heavons through a telescope ...

Galileo made himself one of the world's first telescopes and discovered the moons of Jupiter. He supported Copernicus' theory that the Earth revolved around the Sun. This brought him in conflict ...

Let’s face it, the technology is hardly new because binoculars or field glasses have been around ever since Galileo first invented the telescope. Soon people were using two telescopes lashed ...

During the summer of the year 1610 one of the first telescopes made by Galileo ends up in the hands of Jean Kepler in Prague who at the time was the astronomer of Emperor Rudolp II. Kepler ...