Satellites, télescopes, images

Size can be deceptive

Small but mighty

Sighting forbidden light

Shuttle Photos Of Earth’s Auroras

Shadows Cast by Satellites

Size of V838 Mono relative to Solar System

Sites of Hubble Lunar Observations

Size distribution for unknown asteroids in Hubble asteroid hunter survey

Size of Smith Cloud on the sky

Size comparison for exoplanets GJ 436b and GJ 1214b (artist’s illustration)