Astronomical Distance Scales

by Ronald Koster, version 1.0, 2014-01-03

Solar System Scale

Scale = 10-10 (1AU ^= 15m)

ItemIn mUnit
Diameter Sun    0,1410cm
Diameter Earth    0,001271mm
Diameter Moon    0,000350,1mm
Distance Earth-Moon    0,0381cm
Distance Sun-Earth  1510m
Diameter Jupiter    0,01411cm
Distance Sun-Jupiter  7810m
Diameter Pluto    0,000230,1mm
Distance Sun-Pluto587100m

Galaxy Scale

Scale = 10-17 (1ly ^= 9,5cm ≈ 0,1m)

ItemIn kmUnitSize of
Diameter Earth1,3 * 10-130,1nmHydrogen atom
Distance Sun-Earth1,5 * 10-91μmBacterium
Diameter MilkyWay1210kmCity of Utrecht
Distance MilkyWay-Andromeda254100kmDistance Utrecht-Luxembourg
Diameter Local group10 * 10310MmDistance Utrecht-CapeTown
Diameter Virgo supercluster11 * 104100Mm2,8 * PerimeterEarth
Most distant astronomical object1,3 * 1061Gm3,4 * DistanceEarthMoon