astronomers and stars Flashcards
Ptolemy
Ptolemy was a Roman mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises.
Copernicus
Nicolaus Copernicus formulated a model of the universe that placed the Sun rather than Earth at its center.
Brahe, Tycho
Tycho was a Danish astronomer, known for his comprehensive and unprecedentedly accurate astronomical observations.
Kepler, Johannes
Johannes Kepler was a German astronomer, mathematician, astrologer, natural philosopher and writer on music.
Galileo
Galileo was an Italian astronomer, physicist and engineer, sometimes described as a polymath.
Newton, Isaac
was an English mathematician, physicist, astronomer, alchemist, theologian, and author who was described in his time as a natural philosopher.
Hubble, Edwin
Edwin Powell Hubble was an American astronomer. He played a crucial role in establishing the fields of extra galactic astronomy and observational cosmology.
Ursa major
Ursa Major is a constellation in the northern sky, whose associated mythology likely dates back into prehistory.
Ursa Minor
Ursa Minor, also known as the Little Bear, is a constellation located in the far northern sky.
Orion
Orion is a prominent constellation located on the celestial equator and visible throughout the world.
Canis major
Canis Major is a constellation in the southern celestial hemisphere.
Cassiopeia
Cassiopeia is a constellation in the northern sky named after the vain queen Cassiopeia, mother of Andromeda, in Greek mythology, who boasted about her unrivaled beauty.
Red giant
a dying star in the final stages of stellar evolution.
White dwarf
what stars like the Sun become after they have exhausted their nuclear fuel.
Main-sequence star
any star that has a hot, dense core which fuses hydrogen into helium to produce energy.