How Big is Our Own Solar System?

5m km 5.89m km 7P/Pons-Winnecke comet 19.6 secs Closest known approach by a comet in 20th century (1927) • 6m km • 7m km 8m km 8.99m km 45P/Honda-Mrkos-Pajdusakova comet 29.9 secs Closest known approach by a comet in 21s* century (2011) OF SCALE ****** CHANGE I 10,000 km ...... I 1m km 10m km 38.20m km VENUS 2.1 mins 55.70m km MARS 3.1 mins 62.80m km Halley's comet 3.5 mins Closest approach (1986) 77.30m km MERCURY 4.3 mins 100m km 149.60m km SUN 8.3 mins 200m km 259m km Juno probe Bound for Jupiter on a mission to investigate its atmosphere and deep interior 299.19m km Inner edge of main asteroid belt 16.6 mins ***.......