Who was the first astronomer to make major discoveries using the telescope?

Galileo was the first to use a telescope for major discoveries, around the year 1610.

Nicolaus Copernicus (19 February 1473 - 24 May 1543) First Astronomer to place the Sun at the center of the Solar System.

Galileo Galilei was a marvelous inventor and astronomer born February 15, 1564 and died January 8, 1642. He was well known for perfecting the telescope and he demonstrated that heavier objects fall faster than lighter objects.

Louis Joliet's major discoveries was the Mississippi River which he paddled 2500 miles to get to

thomas Edison discoveries

He was the first European to land in North America.

Newton did not invent the telescope, he invented the reflecting telescope. The reflecting telescope was a major improvement over the distorting refracting telescope.

Newton's first major public scientific achievement was the invention, design and construction of a reflecting telescope.

Johannes Kepler was a German astronomer, mathematician and astrologer who created his first major astronomical work, Mysterium Cosmographicum.

The Englishman, Leonard Digges (1520-1559), from Bartham in Kent, UK, invented the Theodolite in 1551...The main component of a Theodolite is a small but powerful refracting telescope, so he was almost certainly the very first person in the world to invent the refracting telescope. However, it is known that he also invented the reflecting telescope shortly afterwards. In 1608, Hans Lippershey, a German born Dutch citizen invented a refracting telescope in Middelburg, Netherlands. Galileo's model a year later was a considerable improvement upon Lippersheys design but it came almost 60 years after Digges's invented his telescope. The Gregorian reflecting telescope was invented by Scottish mathematician and astronomer James Gregory and his design was first published in 1663. Isaac Newton invented the Newtonian reflecting telescope in 1668, 117 years after Digges invented his. The design of the Cassegrain telescope was first published on April 25th 1672 and its invention is attributed to Laurent Cassegrain (1629-1693), a Catholic priest from Chartres, France. There were no real major advances in telescope designs until the Schmidt telescope was invented, by German optician Bernhard Schmidt, in 1930. The Maksutov telescope was patented in 1941 by Russian optician Dmitri Maksutov.

It was the use of the telescope for astronomical research. He discovered the four major moons of Jupiter, for example. He also thought he was the only astronomer allowed to do this type of research and hated it when others tried it.

One major problem with the refractor telescope used by Galileo was sagging lens.

hahahahaha ur an idiot

One of the most important discoveries for modern mathematics made by Rene Descartes was the Cartesian coordinate system. Two other major discoveries are the law of reflection and parts of the law of conservation of energy.

Galileo Galilei was an Italian physicist, mathematician, astronomer and philosopher who played a major role in the Scientific Revolution. He lived from 1564 - 1642, and one of his most famous achievements was making a telescope that was 300x clearer than the original (first) one (but he didn't create the first telescope). Galileo Galilei found that falling objects fell faster/slower depending on the mass of the object, not the weight. He experimented his theory at the Leaning Tower of Pisa and dropped balls of the same material, but different weight.

a major difference the huble space telescope is in orbit while the regular is in use only on the ground

Two major types of optical telescopes are the reflecting telescope and the refracting telescope.

Galileo Galilei, commonly known as Galileo, was an Italian physicist, mathematician, astronomer and philosopher who played a major role in the Scientific Revolution. His biggest achievements include improvements to the telescope and consequent astronomical observations, and support for Copernicanism.

The three major functions are brighten, resolve, and magnify.

No. One of his major contributions was the improvement of telescope technology which allowed him to be the first human being to view many astronomical phenomena for the first time.

his three most infuluential discoveries were the laws of motion the laws of optics and integrala and diferential calculus

Christopher COlumbus discovered the Americas!

He discovered North America.

he discovered penicillin and stuff to do with bacteria

He discovered the Hudson river.