How Many Atoms Are in Mars?

  • Thread starter Thread starter General B
  • Start date Start date
Join the discussion
Registration is free. Start your own thread to ask a follow-up.
2 replies · 516 views
General B
Ever wondered how many atoms are in Mars? Just estimate and have fun!
 
Physics news on Phys.org
Okay, Mars has a mass of 6.39e26 g, and the majority of it is iron. An iron atom weighs around 9.27e-23 g so around 6.89e48 atoms.

Welcome!