Historical And Classical Astronomers

was a Danish astronomer who, in 1676, first demonstrated that light travels at a finite speed

was an English clergyman, physicist and astronomer

was a Scottish-German astronomer and physicist

is credited with discovering the gaseous nature of the solar chromosphere

On 29 August 1864, Huggins was the first to take the spectrum of a planetary nebula when he analysed NGC 6543

In 1867, he became the director of the Allegheny Observatory

Sir Norman is credited with discovering the gas helium

He was an expert in spectroscopy

His career as a professional astronomer began in 1870

was an Italian astronomer, microscopist, and botanist

was a 17th-century French astronomer, mathematician, and Catholic priest

was a German astronomer and mathematician, best known as the mentor of Johannes Kepler

was an English architect, astronomer, mathematician and physicist

was a French astronomer

was an English astronomer and priest who served as the third Astronomer Royal from 1742

was a French priest, astronomer and pioneer in geodesy

was a mathematician, astronomer, cartographer, navigational-instrument maker, medical practitioner, and teacher

was a Jesuit German mathematician and physicist, head of mathematicians at the Collegio Romano, and astronomer

was an English astronomer

was a French astronomer and assistant

was a French astronomer

He was an accomplished mathematician and astronomer

is considered one of the first female astronomers

was an astronomer and almanac publisher from the Kingdom of Prussia

was an English astronomer

As an astronomer, he gained a reputation as "the founder of lunar topography"

was a German astronomer

was a French philosopher, Catholic priest, astronomer, and mathematician

was a Dutch astronomer and mathematician

was a Jesuit priest, physicist and astronomer in Ingolstadt

was a French astronomer, antiquary and savant

was an accomplished Silesian astronomer

was an English mathematician, astronomer and antiquarian

was a German astronomer

alchemist, astronomer, cosmological theorist, and esotericist

was a German astronomer and mathematician

was a Danish astronomer

who sought his services in matters such as court astronomy and calendrical science

his particular interest was astronomy

he is primarily known for his work in astronomy

was an Italian astronomer, astrologer, cartographer, and mathematician

was a Dutch-Flemish astronomer

was a Swiss astronomer, mathematician, and writer

was a Flemish Calvinist Minister, astronomer and Mathematician

was an Austrian Jesuit astronomer

who also studied problems of astronomy

was a German mathematician and astronomer

was an Italian humanist, astronomer and philosopher from Siena

was a Chinese agronomist, astronomer, mathematician, politician, and writer during the late Ming dynasty

He was the author of more than ninety books on a wide variety of subjects, including astronomy

was a Czech naturalist and astronomer

was an Italian Jesuit astronomer, mathematician, and selenographer

was an Italian Roman Catholic prelate, mathematician, astronomer, and cosmographer

and subsequently became active as an astronomer

was an Italian astronomer, lens-maker, and proponent of the experimental approach to science

was an English mathematician, natural philosopher and astronomer

His deduction of a rotational period of Venus was based on the observation of its surface

was a French astronomer and cartographer

was an English astronomer, mathematician, and merchant

was an Italian optician and astronomer

was an English astronomer and politician

was an English mathematician, astronomer, and bishop

was a German music theorist, composer, chronologer, astronomer, and teacher of the late Renaissance

was a German astronomer