1 exametre
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To help compare different distances this page lists lengths starting at 1018 m (1 Em or 110 light years).
- 1.4×1018 m — 145 light years — Diameter of Messier Object 13 (a typical globular cluster)
- 2.1×1018 m — 200 light years — Diameter of the Eta Carinae Nebula
- 3.1×1018 m — 310 light years — Distance to Canopus according to Hipparcos
- 4.0×1018 m — 430 light years — Distance to Betelgeuse according to Hipparcos
- 6×1018 m — 600 light years — Diameter of Omega Centauri (one of the largest known globular clusters, perhaps containing over a million stars)
- 6.2×1018 m — 650 light years — Distance to the Helix Nebula, located in the constellation Aquarius
- 7.3×1018 m — 730 light years — Distance to Rigel according to Hipparcos
- 9.5×1018 m — 900 light years — Diameter of the Tarantula Nebula
- 9.5×1018 m — 1000 light years — Distance to pulsar PSR 1257+12
