One graph used to relate stars' absolute magnitudes and their spectral types is the Hertzsprung-Russell diagram, better (and more simply) known as the H-R diagram.
Astronomy, the study of the stars and planets and their movements.
speed graph
A scatter graph.
a circle graph
a graph can show the amuont of time or the political voye a graph can be summed up as a chart used to record information
An HR gram
Pie Graph.
HR Graph of Star Sizes
telescopes
telescopesA telescope,books to study and find out what types of stars/constellations there are and maybe a astrolabe?
Telescopes.
Telescopes
The study of the stars is astronomy.
Spectroscope
Why did Asians study stars
Astronomy is the study of space and stars are in space, so astronomy deals with the study of stars.
Arecibo