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