News Notes: Cosmolgy; New Cosmic Yardstick

• Autores: Shannon Hall
• Localización: Sky and telescope, ISSN 0037-6604, Vol. 128, Nº. 2, 2014, pág. 16
• Idioma: inglés
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• Resumen

  • A new method using active galactic nuclei (AGN) can successfully measure the universe's expansion, report Yuzuru Yoshii (University of Tokyo) and coleagues in the March 20th Astrophysical Journal Letters.