Age

T_MBR

1 s

70537.7 K

10⁸ s ≅ 3.2 yr

705.377 K

10¹⁶ s ≅ 0.32 Byr

7.05377 K

1.4 × 10¹⁶ s ≅ 0.45 Byr (Luminous Epoch)

6.47747 K

3 × 10¹⁷ s ≅ 9.6 Byr (birth of Solar system)

3.01403 K

4.49 × 10¹⁷ s ≅ 14.22 Byr (present)

2.725245 K