1 petametre
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To help compare different distances this page lists lengths starting at 1015 m (1 Pm or 1,000,000 million km or 6,700 astronomical units or 0.11 light years).
- 7.5×1015 m — 50,000 AU — Possible outer boundary of Oort cloud (other estimates are 75,000 to 125,000 or even 189,000 AU (1.6, 2, and 3 light years, respectively))
- 7.7×1015 m — 52,000 AU — Aphelion distance of the Great Daylight Comet of 1910
- 9.46×1015 m — 63,000 AU — One light year, the distance travelled by light in one year