My Cosmology Calculator

Bug fixing... Please use Ned Wright's JavaScript Cosmology Calculator

1 Gly = 1,000,000,000 light years or 9.461*10²⁶ cm.
1 Gyr = 1,000,000,000 years.
1 Mpc = 1,000,000 parsecs = 3.08568*10²⁴ cm, or 3,261,566 light years.