It's all light
The type of radiation with the longest wavelength.
What are radio waves?
The first stellar evolution stage for all stars.
What is a stellar nebula?
The area where most stars lie in the middle of the HR diagram.
What is a main sequence star?
indicates a star is moving away from you
What is red shift?
patterns of stars
What are constellations?
The type of radiation with the shortest wavelength.
What are gamma waves?
The last stellar evolution stage of small to average stars.
What is a white dwarf?
The dimmest and hottest stars on the HR diagram.
What is a white dwarf?
indicates a star is moving towards you
What is blue-shift?
A way that astronomers find the distance to stars using two different points of view
What is parallax?
The type of radiation in the middle of the EM spectrum.
What is visible light?
The last stellar evolution stage of the most massive stars.
What is a black hole?
The brightest and coolest stars on the HR diagram.
What is a super redgiant?
created when an element or elements emit light at certain wavelengths
What is are spectral lines?
A star that expands and contracts in a regularly repeating cycle
What is a variable star?
The type of radiation with the second longest wavelength.
What are microwaves?
The last stellar evolution stage of giant stars.
What is a neutron star?
The axes of the HR diagram
What are temperature and luminosity?
A band of colors produced when light is passed through a prism or similar device.
What is a spectrum?
the brightness of a star as you see it from earth
What is apparent magnitude?
The radiation type of the visible spectrum with the shortest wavelength.
What is violet?
The stellar evolution stage of stars using up their hydrogen.
What is a red giant?
The HR category of our sun.
What is the main sequence?
A pair of stars that orbit one another with spectral lines move back and forth (in opposite directions)
What are binary stars?
a newly developed star
What is a protostar?