
Neil deGrasse Tyson | Biography, Books, TV Shows, & Facts
Oct 3, 2025 · Neil deGrasse Tyson (born October 5, 1958, New York, New York, U.S.) is an American astronomer who popularized science with his books and frequent appearances on …
Maria Mitchell | Biography & Accomplishments | Britannica
Maria Mitchell (born August 1, 1818, Nantucket, Massachusetts, U.S.—died June 28, 1889, Lynn, Massachusetts) was the first professional woman astronomer in the United States.
Henrietta Swan Leavitt | Biography & Facts | Britannica
Henrietta Swan Leavitt, American astronomer known for her discovery of the relationship between period and luminosity in Cepheid variables, pulsating stars that vary regularly in brightness in …
Benjamin Banneker | Letter to Jefferson, Clock, Almanac, & Facts ...
5 days ago · Benjamin Banneker (born November 9, 1731, Banneky farm [now in Oella], Maryland [U.S.]—died October 19? [see Researcher’s Note], 1806, Baltimore, Maryland, U.S.) was a …
Galileo | Biography, Discoveries, Inventions, & Facts | Britannica
Sep 22, 2025 · Galileo was a natural philosopher, astronomer, and mathematician who made fundamental contributions to the sciences of motion, astronomy, and strength of materials and …
Ptolemy | Accomplishments, Biography, & Facts | Britannica
Ptolemy was an astronomer, mathematician, and geographer who lived during the 2nd century CE. He is known for his geocentric (Earth-centred) model of the universe.
Gian Domenico Cassini | Italian Astronomer, Discoverer of Jupiter’s ...
Sep 10, 2025 · Gian Domenico Cassini was an Italian-born French astronomer who, among others, discovered the Cassini Division, the dark gap between the rings A and B of Saturn; he …
William Herschel | Biography, Education, Telescopes, & Facts
6 days ago · William Herschel, German-born British astronomer, the founder of sidereal astronomy for the systematic observation of the heavens. He discovered the planet Uranus, …
Melbourne | Florida, Map, Population, & Facts | Britannica
Melbourne, city, Brevard county, east-central Florida, U.S. It lies on the Intracoastal Waterway along the Indian River (a lagoon separated from the Atlantic Ocean by barrier islands), about …
Caroline Herschel | Biography, Discoveries, & Facts | Britannica
6 days ago · Caroline Herschel, German-born British astronomer who was a pioneer in the field. She made important contributions to the work of her brother Sir William Herschel, and, on her …