This is an old revision of this page, as edited by MrInitialMan (talk | contribs) at 02:16, 12 October 2008. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Revision as of 02:16, 12 October 2008 by MrInitialMan (talk | contribs)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)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).
- 1.4 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