Archivo: Extragalactic distance ladder

Descripción: Extragalactic Distance Ladder; Source file has undesirable cropping of right-hand border: Light green boxes: Technique applicable to star-forming galaxies. Light blue boxes: Technique applicable to Population II galaxies. Light Purple boxes: Geometric distance technique. Light Red box: The planetary nebula luminosity function technique is applicable to all populations of the Virgo Supercluster. Solid black lines: Well calibrated ladder step. Dashed black lines: Uncertain calibration ladder step. B-W stands for w:Baade-Wesselink method.
Título: Extragalactic distance ladder
Créditos: Este archivo deriva de: Extragalactic Distance Ladder.svg
Autor(a): brews_ohare
Términos de Uso: Creative Commons Attribution-Share Alike 3.0
Licencia: CC BY-SA 3.0
Enlace de Licencia: https://creativecommons.org/licenses/by-sa/3.0
¿Se exige la atribución?: Sí