Need To Know
?: Physical & Astronomical Constants

Thanks to: mityelpoc

Length:

  • 1 inch = 2.54 cm
  • 1 mile = 1.6 km
  • 1 km = 1000 m
  • 1 m = 100 cm = 1000 mm = 109 nm
  • Planck Legnth = 1.616252x10-35 m = sqrt (hbar G/c3)
  • Classical Electron Radius = 2.81794x10-15 m = e2/ me c2
  • Proton Radius = 0.83x10-15 m = 0.83 femtometer = 0.83x10-13 cm
  • 1 Angstrom = 10-10 m…
06/30/11 at 4:44am
15 notes
Theme: Cavalcade
  1. inventines reblogged this from mityelpoc
  2. margaretchau reblogged this from morefunthanbeingsad and added:
    1 inch = 2.54 cm 1 mile = 1.6 km 1 km = 1000 m 1 m = 100 cm = 1000 mm = 109 nm Planck Legnth = 1.616252x10-35 m = sqrt...
  3. morefunthanbeingsad reblogged this from mityelpoc and added:
    I’m trying to figure out how much money I spent last night. This hasn’t helped at all.
  4. mariaangela10 reblogged this from mityelpoc
  5. unakorn9 reblogged this from mityelpoc
  6. handyinfo reblogged this from mityelpoc and added:
    Thanks to: mityelpoc
  7. mityelpoc posted this