There's clueless, then there's "how do you remember how to breathe" clueless

[Machine_Elf]

@bobsmom101

According to him, astronomical distances could only be measured accurately in SI units (e.g. kilometers).

You shoulda told him it’s 87.9 billion smoots.

Tell us an interesting random fact you stumbled across (Part 2)

When it comes to obscure units of measurement, I’m partial to the smoot.