
"A proof that XKCD 1944 is correct an there is more gold in the Sun than water in the oceans
The mass of the Sun is 1.989 × 10³⁰kg. There's 1 × 10⁻⁷% of gold, which accounts for 1.989 × 10²¹kg. There is 1.26×10²¹kg water on Earth, 98% is in the oceans, i.e. 1.235 × 10²¹ kg."