42 label the diagram of the sun below
PDF 9.3 Astrophysics - Hertzsprung-Russel Diagram - Qs The absolute magnitude and spectral class of four stars W, X, Y and Z are plotted using the axes below. (a) Draw and label, on the diagram above, the regions occupied by the main sequence, white dwarf stars and red giant stars. (2) (b) The following observations were made for the star Alnilam in the constellation of Orion. The Sun Diagram | Quizlet an area on the Sun where magnetic fields are concentrated; sunspots, prominences, flares, and CMEs all tend to occur in active regions. apparent brightness. a measure of the amount of light received by Earth from a star or other object—that is, how bright an object appears in the sky, as contrasted with its luminosity.
PDF theonlinephysicstutor The H-R diagram below shows a number of main sequence stars. (i) Label the position of our Sun on the diagram. (1) (ii) Label on the diagram the regions in which white dwarf and red giant stars would be located. (2) *(iii) Stars known as whi...