Astronomy and Stars Flashcards
(20 cards)
Ptolemy
Claudius Ptolemy was a Greco-Roman mathematician, astronomer
Copernicus
Nicolaus Copernicus was a Renaissance-era mathematician and astronomer who formulated a model of the universe
Brahe, Tycho
Tycho Brahe was a Danish nobleman, astronomer, and writer known for his accurate and comprehensive astronomical
Kepler, Johannes
Johannes Kepler was a German mathematician, astronomer, and astrologer
Galileo
Galileo Galilei was an Italian polymath. Galileo is a central figure in the transition from natural philosophy
Newton, Isaac
Sir Isaac Newton PRS was an English mathematician, astronomer, theologia
Ursa major
Ursa Major is a constellation in the northern sky, whose associated mythology likely dates back
Ursa minor
Ursa Minor, also known as the Little Bear, is a constellation in the Northern Sky
Canis major
Canis Major is a constellation in the southern celestial hemisphere. In the second century
Red giant
a very large star of high luminosity
White dwarf
also called a degenerate dwarf, is a stellar core remnant composed mostly of electron-degenerate
Main-sequence star
Main sequence stars fuse hydrogen atoms to form helium atoms in their cores. About 90 percent of the stars in the universe
Supernova
a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.
Black hole
a region of space having a gravitational field so intense that no matter or radiation can escape.
Parallax
he effect whereby the position or direction of an object appears to differ when viewed from different positions,
Light-year
a long distance or great amount.
Polaris
a space in the sky or galaxy
Hubble, Edwin
is regarded as one of the most important astronomers of all time.
Orion
prominent constellation located on the celestial equator
Cassiopeia
Constellation in the northern sky