| | meters |
|---|
| | 1027 |
| universe | 1026 | ~ visible universe |
| 1025 | distance to Coma Cluster |
| 1024 | distance to Virgo Cluster | galaxy clouds | superclusters | voids | filamets |
| galaxies | 1023 | The Local Group | galaxy clusters |
| 1022 | distance to M31 | a Mpc (megaparsec) |
| 1021 | galaxy |
| a
s
t
r
o
n
o
m
i
c
a
l | our
galaxy | 1020 | ExaRoom |
| 1019 |
| 1018 |
| 1017 | PetaRoom |
| 1016 |
| 1015 |
| between | 1014 | TeraRoom |
| 1013 |
| 1012 |
solar
system | 1011 | GigaRoom |
| 1010 |
| 109 |
| 108 | MegaRoom |
| 107 |
| 106 |
| l
o
c
a
l | big | 105 | kiloRoom |
| 104 |
| 103 |
| 102 | meterRoom |
| 101 |
| 100 |
real
world | 10-1 | milliRoom |
| 10-2 |
| 10-3 |
| small | 10-4 | microRoom |
| 10-5 |
| 10-6 |
| 10-7 | nanoRoom |
| 10-8 |
| 10-9 |
| atoms | 10-10 | atoms | 1 Angstrom (A) |
| 10-11 |
| 10-12 | pm (picometer) |
| nucleus | 10-13 | |
| 10-14 | atomic nuclei |
| 10-15 | fm (femtometer) | proton |
| sub-nuclear
really
really
small | 10-16 | |
| 10-17 |
| 10-18 | am (attometer) |
| 10-19 |
| 10-20 |
| 10-21 |
| 10-22 |
| 10-23 |
| 10-24 |
| 10-25 |
| 10-26 |
| 10-27 |
| 10-28 |
| 10-29 |
| 10-30 |
| 10-31 |
| 10-32 |
| 10-33 |
| 10-34 |
| 10-35 | ~ space no longer "flat" (Planck-Wheeler length) |
