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To help compare different distances this page lists lengths starting at 10 m (1 Gm or 1 million km).

Distances shorter than 10 m

• 1.4 Gm — Diameter of Sun
• 1.5 Gm — Expected orbit from Earth of the James Webb Space Telescope
• 2.19 Gm — Closest approach of Comet Lexell to Earth, happened on July 1, 1770; closest comet approach on record
• 4.2 Gm — Diameter of Algol B
• 5.0 Gm — Closest approach of Comet Halley to Earth, happened on April 10, 837
• 5.0 Gm — Size of the arms of the giant triangle shaped Michelson interferometer of the Laser Interferometer Space Antenna (LISA) planned to start observations in or around 2015.
• 7.9 Gm — Diameter of Gamma Orionis
• 9.0 Gm — Estimated diameter of the event horizon of Sagittarius A*, the supermassive black hole in the center of the Milky Way galaxy

Distances longer than 10 m

See also

• Orders of magnitude (length)

Template:Associations/Orders of magnitude (length) wide

• Orders of magnitude (length)