Galileo continued writing in conversational language for his landmark 1632 work, Dialogo sopra i due massimi sistemi del ...

It was the first permanently staffed mountain-top observatory and the 36-inch Great Refractor was the world’s largest refracting telescope and continued to be a premier research telescope for half a ...

Night observations The 36-inch Great Refractor Telescope was built from 1880 to 1888. Located in the larger dome of the main observatory building, it is 57 feet long, 4 feet in diameter, and weighs ...

However, Galileo's telescopes suffered from high chromatic aberration, which is what happens when a curved lens breaks up light like a prism. (Gamers may recognize RGB chromatic aberration from ...

On October 2, 1608, Hans Lippershey demonstrated a new invention – the first optical refracting telescope. A.S.Ganesh turns his telescope to view back in time… nearly 410 years to that day.

The Kepler Space Telescope, named for astronomer Johannes Kepler, was NASA's first exoplanet hunting telescope. It launched on March 6, 2009, with the goal of observing more than 100,000 stars in ...

The first telescopes, known as refracting telescopes, were built in the early 17th century by Dutch eyeglass makers. They employed a pair of lenses—one convex fitted at the end of the scope, and ...

Most poignantly, it stresses Galileo’s belief that inquiry and religion need not be at odds—“When we look, we see all of God’s perfection,” he tells his daughter—a view that remains ...