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