How exactly do you "discover the Solar System", considering that it is in plain sight? - The Sun, Moon, and planets were already visible to prehistorical people. The Ancient Greeks noticed that the planets moved around the Sun. You may also want to investigate about "heliocentric system" - i.e., the idea that the Sun is at the center, and that the planets move around it.
He was the first astronomer to formulate a scientifically-based heliocentric cosmology that displaced the Earth from the center of the universe.
Copernicus
The chromosphere of the sun was first discovered by French astronomer and physicist Jules Janssen during a solar eclipse in 1868.
Johannes Kepler, a German astronomer, discovered that planets follow elliptical orbits around the Sun, rather than perfect circles. This discovery is known as Kepler's first law of planetary motion and was a significant advancement in our understanding of the solar system.
Helium was first discovered in August of 1868. It was observed separately by two scientists. The first was a French astronomer named Jules Janssen. The second was an English astronomer named Norman Lockyer.
Galileo Galilei
Pluto was discovered in 1930 by astronomer Clyde Tombaugh and was considered the ninth planet in our Solar System until 2006 when it was reclassified as a "dwarf planet" by the International Astronomical Union.
Pluto was discovered in 1930 by American astronomer Clyde Tombaugh. It was considered the ninth planet in the solar system until 2006, when the International Astronomical Union reclassified it as a dwarf planet.
Uranus was first discovered by the German-born British astronomer William Herschel in 1781. Herschel is credited with being the first person to document the presence of Uranus in our solar system.
Nicolaus Copernicus
It is an astronomer.
Galileo