the. Universe. Outer space, or the interstellar medium, is not just a vacuum. ... A star of 15 solar masses would evolve in 0.16 million years and would also be more luminous and hotter. The Solar ... The Hertzsprung-Russell (H-R) diagram. 29anbsp;...
|Title||:||Revise in a Month Year 10 School Certificate Science|
|Author||:||Carol Anne Neville|
|Publisher||:||Pascal Press - 2005|