Thermodynamics 1
Temperature is a direct measure of
What is an object's subatomic particle motion?
the law that states maximum wavelength is inversely proportional to temperature
What is Wien's Law?
The three particles an atom is made of
What are electrons, neutrons and protons?
Man credited with first measuring dark lines in the Sun's spectrum
Who is Fraunhofer?
The astronomical phenomena that produces a continuous spectrum
What is the core of a star?
All subatomic particle motion stops
What is 0 Kelvins
Law that states energy flux is directly proportional to temperature.
What is Stefan Boltzman Law?
States electrons in an atom orbit around a nucleus
What is Bohr's theory of the atom?
In photography, absorption lines appear
What is dark?
The astronomical phenomena that produces a n absorption line
What is the outer atmosphere of a star?
The natural occurring object that releases all its EM radiation at one frequency
What is none?
A star's luminosity is directly proportional to two things
What are temperature and radius?
When an electron moves up in orbit a photon is
What is absorbed?
In a CCD, Absorption lines appear as a
What is a dip?
The astronomical phenomena that causes an emission line
What is a nebula?
An object that is a perfect absorber and emitter of radiation
What is a blackbody?
What is the temperature of a star whose max wavelength is 725 nm
What is 4000 Kelvins?
When an electron moves down an orbit a photon is
What is emitted?
In photography, emission lines appear as
What is a single bright line?
When a standard absorption line like the Hydrogen Alpha line is slightly shifted to a longer wavelength, the star is
What is moving away from the observer?
As an object’s temperature increases, its blackbody curve shifts towards __________ wavelengths
What is shorter?
What is the energy flux of a star whose temperature is 4000 Kelvins?
1.45 X 107 J/S/M2
According to quantum mechanics each electron has four states to its orbit. Name two of these.
What are principal, angular momentum, magnetic and spin?
In a CCD, emission lines appear as
What is a peak?
The wavelength of a Hydrogen Absorption Line normally observed at 656.281 x 10-9 m is shifted to 650.281 x 10-9 m in a certain stellar spectra. What is the relative speed of the star to the Earth? And is it moving towards or away from the Earth?
VR = 2,742 km/s Towards the Earth