8a7215726aa94b1f30201e72b095baa2.jpg?imformat=generic&q=90&im=Resize,width=640,type=normal,R136a1, a Wolf-Rayet star, is 215-315 times more massive than the Sun and millions of times more luminous. While the Sun has a lifespan of about 10 billion years, R136a1 will burn,Tube titanium alloy - Hermith GmbH - Ti 6242 / Ti 6246 / grade 1,日本産鉱物・JAPAN > 東北地方 > 灰重石・Scheelite,2eff274ffb88509cd8662ee66c45813a.jpg?imformat=generic&q=90&im=Resize,width=640,type=normal