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34 Cards in this Set

  • Front
  • Back
meaning of varibales in e=mc2?
E=enery
M=mass
c=speed of light
type of reaction occuring in stars?
nuclear reactions
type of reation on earth?
chemical reactions
reaction on the sun?
thermonuclear fusion
how reations chang through a star's lifetime?
star burning heavier elements
compare the sun's mass to most other stars
low-average
compare the sun's surface temperature to most other stars
5800 (low)
emission spectra
spectra of colored hands given off by hot gases
compare the sun's mass to most other stars
average
meaning of e=mc2
a small amount of mass=large4 amount of enery
type of light most stars emit
visible
as luminosity increases,stars emit_frequencies of light
uv,x-ray,gammaray (higher)
as mass increases, luminosity....
increases
as mass increases, time spent in main sequence...
decreases
unit for temperature in stars
kelvin(k)
star stages that tend to be coolest on the H-R diagram
Red Dwarf, Giants, super giants
describe a star
larger than a planet
luminous
plasma
nuclear reations
another word for star
stellar
why spectra are called element fingerprints
each has a unique spectral emission
compare an emission spectra of a compound and an element
a compound will have spectral that blends the element
describe a planet
orbits a star
smaller than most stars
not luminous
chemical reactions
hottest color of stars
blue
coolest color of stars
Red
stars stages that tend to be hottest on the H-R diagram
blue gant,some main sequence white dwarf
as mass increases,stars emit____ frequences of light
(higher) uv, gamma and x-ray
star stages with the highest luminosity on the H-R diagram
blue giant, supergiant
star stages with the lowest luminosity on the H-R diagram
white dwarfs and red dwarf
nuclearsynthesis
tormation of new elements from a nuclear reaction
longest stage
main sequence
stage including most "average" stars
msin seqence
three things determind by emmission spectra
elements found there movemen, age
coolest spectral class
spectral class M
Hottest spectral class
spectral class 0
information that is showing on an H-R diagram
amount of luminosity and surface temperature