#xkcd 2925

[todays-xkcd]

It's not far from the sign marking the exact latitude and longitude of the Earth's core.

Earth Formation Site [Explained]

Transcript Under the Cut

[Cueball is standing in front of a sign in a field of grass. Rocks and plants are scattered across the ground. The sign reads:] HISTORICAL MARKER EARTH FORMATION SITE --- 4,450,000,000 BCE --- At this location in the year 4,450,000,000 BCE, a cloud of dust and gas gravitationally collapsed to form the Earth.