Muʻayyan-i mubīn bahr-i daur-i shams o sukūn-i zamīn
Subtitle: Amrīkī munajjim Profesar Albarṭ Ef. Porṭā kī peshgoʼī kā radd
By: az ifādāt-i Aḥmad Raz̤ā K̲h̲ān Fāz̤il Barelvī.
Contributors: Porṭā, Albarṭ Ef.
Series: Silsilah-yi mat̤būʻāt-i Markazī Majlis-i Raz̤ā ;; 30
Publisher: Markazī Majlis-i Raz̤ā; Markazī Majlis-i Raz̤ā
Published: 1980
Place of publication: Lāhaur
Language: urd
Number of pages: 16
Subjects: Porṭā, Albarṭ Ef; Astronomy -- Religious aspects -- Islam; Islam and science; Planetary theory -- Miscellanea
Description: Refutation of prediction by Albert F. Porta, American astronomer, about the conjunction of planets in 1919.
Notes: In Urdu.
Cover title.
First published in 1919.