Astronomy Flashcards
(19 cards)
What tool do astronomers use to explore the universe?
Telescope
What type of telescope did Galileo make?
Refracting telescope
What is one of 88 regions of the sky; pattern or design made by a group of stars?
Constellation
What is a smaller pattern of stars within a constellation?
Asterism
What is another name for the North Star?
Polarious
What is a huge collection of stars, dust and gas?
Galaxy
What is a large cloud of dust that can be seen in a galaxy?
Nebula
What is the first stage in the lifecycle of a star?
Protostar
Which three things determine what stars are visible in the night sky?
Location, time of year and time of night
What causes the stars and constellations to appear to move across the sky each night?
The earth rotating on its axis
What is an example of a main sequence star
Sun
What is an example of an asterism?
Big Dipper
What is an example of a galaxy.
Milky Way or whirlpool
What is an example of a constellation?
Ursa Minor
What are three types of galaxies.
Your irregular, spiral, and elliptical
What is the name and shape of our galaxy?
Milky Way and spiral
What are the stages in the lifecycle of a low mass main sequence star?
Protostar, low mass main sequence star, red giant, white dwarf, black dwarf
What is the stages in the lifecycle of a high mass main sequence star?
Protostar, high mass main sequence star, red supergiant, supernova, black hole / neutron star
What is the study of the universe?
Astronomy