astronomy Flashcards
Ptolemy
Roman mathematician,
Copernicus
Renaissance polymath
Brahe, Tycho
Danish astronomer
Kepler, Johannes
German astronomer
Galileo
Italian astronomer, physicist and engineer, sometimes described as a polymath.
Newton, Isaac
English mathematician, physicist, astronomer, alchemist, theologian, and author
Hubble, Edwin
American astronomer
Ursa major
a constellation in the northern sky
Ursa minor
a constellation located in the far northern sky.
Orion
a prominent constellation located on the celestial equator and visible throughout the world.
Canis major
a constellation in the southern celestial hemisphere.
Cassiopeia
constellation in the northern sky named after the vain queen Cassiopeia
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
Supernova
When a star goes boom
Black hole
Something so dense that its gravity consumes everything and not even light can escape
Parallax
the apparent displacement or the difference in apparent direction of an object as seen from two different points not on a straight line with the object.
Light-year
distance light travels in a year
Polaris
a star in the northern circumpolar constellation of Ursa Minor