Size and mass of very large stars, from right to left: VY Canis Majoris (17 ± 8 M☉
), Betelgeuse (11.6 ± 5.0 M☉
), Rho Cassiopeiae (14-30 M☉
), and the blue Pistol Star (27.5 M☉
). The concentric ovals indicate the size of Neptune's (blue), Jupiter's (red) and the Earth's (grey) orbits. Properly scaled, the Sun
) only appears as a tiny dot in the center of the ovals (click for higher resolution to see Earth orbit and Sun).