LADISLAV HEJDÁNEK ARCHIVES | Cardfile

Here you will find a digitized image of Hejdánek's original filing cabinet. Its total volume is many thousand tickets. We publish them in parts as we handle them. At the moment we have worked out what prof. Hejdánek himself developed electronically. However, much work remains on paper cards. In addition to Hejdánek's extracts from reading, the filing cabinet also includes his own thought work from recent years, which cannot be found elsewhere.


Vzdálenosti (vesmír) – škály

Ladislav Hejdánek ()
Míra: 1 Gly – gigasvětelný rok – 1.000.000.000 světelných roků
- Pozorovatelný vesmír (radius) 46 Gly
- Rovnoměrné rozložení hmoty
(bez struktur) od 1 Gly
- Kupy galaxií 0,001 Gly
- Galaxie 0,000 1 Gly
Světelný rok (ly) 9 460 730 472 580 800 m ≈ 9,46 x 1012 km
nebo ≈ 9.46 x 1015 m
Parsek (pc) 1 pc ≈ 3,262 ly
Astronomická jednotka (AU) 63 241 AU ≈ 1 ly
Rychlost světla c = 299 792 458 m . s-1
date of origin: červen 2008