Chapter 24 Flashcards
Who developed a system for naming stars that used Greek and Latin?
Bayer
What are used for giving the precise location of a star?
Declination and right ascension
In apparent magnitude, is the lower or higher number brighter?
Lower
Does apparent magnitude depend on the temperature of the star?
NO
According to Genesis 1:14, why did God create the stars?
For signs and seasons
What do cepheid variables do?
Make it easier to estimate the size of the universe
What is a light year?
The distance light travels in a year
What is used to estimate the distance to a dim, distant star?
Red shift
What makes up the bulk of elements in most stars?
Hydrogen and helium
What are used to classify luminosity?
Roman numerals
What are used as the axes to plot stars on the H-R diagram?
Temperature and luminosity
What are later stages in the life of a star?
Planetary nebulas, white dwarfs, and neutron stars
What do pulsars and quasars both release?
Radio waves
Do most galaxies have a super nova in the center of it?
NO
Where are protostars found?
In stellar nurseries