A) red B) white C) yellow D) blue
A) apparent brightness B) brightness C) intrinsic brightness D) absolute brightness
A) spiral arms B) super cluster C) halo D) nuclueus
A) molecular motion B) rotation C) gravitational attraction D) heating
A) 2.5 B) 1.3 C) -2.5 D) -0.5
A) luminosity B) color C) diameter D) temperature
A) white dwarf B) main sequence star C) supergiant D) giant
A) white dwarf B) supergiant C) giant D) Sun-like
A) 8 hours B) 8 days C) 8 seconds D) 8 minutes
A) black hole B) black dwarf C) white dwarf D) neutron star
A) galaxy B) supergiant C) black hole D) constellation
A) hydrogen B) helium C) oxygen D) carbon |