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Revision as of 10:23, 11 May 2008
Template:Associations/Orders of magnitude (length) To help compare different distances this page lists lengths starting at 10 m (1 Gm or 1 million km).
- 1,400,000 km — Diameter of Sun
- 1,500,000 km — Expected orbit from Earth of the James Webb Space Telescope
- 2,190,000 km — Closest approach of Comet Lexell to Earth, happened on July 1, 1770; closest comet approach on record
- 4,200,000 km — Diameter of Algol B
- 5,000,000 km — Closest approach of Comet Halley to Earth, happened on April 10, 837
- 5,000,000 km — 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.
- 7,900,000 km — Diameter of Gamma Orionis
- 9,000,000 km — Estimated diameter of the event horizon of Sagittarius A*, the supermassive black hole in the center of the Milky Way galaxy