To help compare different distances this page lists lengths starting at 10¹³ m (10 Tm or 10,000 million km). personal space, proxemics. ... The metre, or meter, is the basic unit of length in the International System of Units (SI: Système International dUnités). ... A terametre (American spelling: terameter) (symbol: Tm) is a unit of length equal to 1012 metres. ... A kilometre (American spelling: kilometer, symbol: km) is a unit of length equal to 1000 metres (from the Greek words khilia = thousand and metro = count/measure). ...

• Distances shorter than 10¹³ m
• 1.4 × 10¹³m — Distance of Voyager 1 from the Sun in September 2004.
• 1.4 × 10¹³m — Estimated diameter of solar system
• 2.59 × 10¹³m — One light day
• Distances longer than 10¹⁴ m

To help compare different distances this page lists lengths starting at 1012 m (1000 million km). ... A NASA artists rendition of a Voyager spacecraft The Voyager 1 spacecraft is an 815-kilogram unmanned probe of the outer solar system and beyond, launched September 5, 1977, and currently operational. ... By ancient tradition, the Sun is the light in the heavens whose presence is day and whose absence is night. ... 2004 is a leap year starting on Thursday of the Gregorian calendar. ... Presentation of the solar system (not to scale) The solar system consists of the Sun, all the objects that orbit around it, including meteoroids, planetoids, comets, moons, and planets, and the tenuous plasma of the interplanetary medium. ... A light day (also written light-day) is a unit of length. ... To help compare different distances this page lists lengths starting at 1014 m (100,000 million km). ...

See also

• Orders of magnitude (length)