100 petametres
Click on the thumbnail image to jump to the desired order of length magnitude: top-left is 1e6m, lower-right is 1e17m. (Image description)
Lengths with order of magnitude 1e17m: yellow Vernal Point arrow traces hundred light year radius circle with smaller ten light year circle at right; globular cluster Messier 5 in background; 12 light year radius Orion Nebula middle right; 50 light year wide view of the Carina Nebula bottom left; Pleiades cluster and Bubble nebula with similar diameters each around 10 light years bottom right; grey arrows show distances from Sun to stars Aldebaran (65 light years) and Vega (25 light years).
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To help compare different distances this page lists lengths between 1017 m (100 Pm or 11 light years) and 1018 m (106 light years).
Distances shorter than 100 Pm
- 110 Pm — 12 light years — Distance to Tau Ceti
- 240 Pm — 25 light years — Distance to Vega
- 260 Pm — 27 light years — Distance to Chara, a star approximately as bright as our Sun. Its faintness gives us an idea how our Sun would appear when viewed from even so close a distance as this.
- 350 Pm — 24 light years — Diameter of the Orion Nebula[1][2]
- 350 Pm — 37 light years — Distance to Arcturus
- 400 Pm — 42 light years — Distance to Capella
- 620 Pm — 65 light years — Distance to Aldebaran
Distances longer than 1 Em
See also
- List of brightest stars
- List of nearest stars
Notes
- ↑ Sandstrom, Karin M; Peek, J. E. G.; Bower, Geoffrey C.; Bolatto, Alberto D.; Plambeck, Richard L. (1999). "A Parallactic Distance of 389+24
−21 parsecs to the Orion Nebula Cluster from Very Long Baseline Array Observations". The Astrophysical Journal 667 (2): 1161–1169. arXiv:0706.2361. Bibcode:2007ApJ...667.1161S. doi:10.1086/520922. - ↑ diameter=sin(65 arcminutes)*1270 light years=24; where "65.00 x 60.0 (arcmin)" sourced from Revised NGC Data for NGC 1976 per Wolfgang Steinicke's NGC/IC Database Files.
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