a star of apparent magnitude +1 appears blank than a star of app
a typical white dwarf has a surface temperature about four times
an astronomer is measuring the brightness of a particular star t
apparent magnitude is a measure of star's ?
compared with a star in the middle of the hertzsprung-russell di
compared with a star in the middle of the hertzsprung-russell di
for balmer series lines to show up strongly in absorption in ste
how far away is the nearest star beyond the sun?
if you compare two stars the one with the blank must have a grea
luminosity is measured in?
stellar parallax appears because ?
the chemical makeup of the sun's surface can be determined by?
the hertzsprung-russell diagram is a plot of?
the luminosity of a star is?
the motion that is used to chnage the position of the observer i
the statement that the apparent magnitude of a variable star has
what are the two physical parameters of stars that are plotted i
what id a dwarf star?
what is a parallax?
what is a white star?
what would be the mass of a main-sequence star that has a lumino
where are the most massive stars to be found in the main sequenc
which of the following four spectral classification signifies th
which of the following spectral classification letters signifies
why is there a limited range of stellar surface temperature arou