Yukawas, G-flux, and Spectral Covers from Resolved Calabi-Yau's

Yule analysis of sunspots and auroral phenomena

Yungay Atacama, Chile, and University Valley, Antarctica, as Mars analogs, based on aridity as indicated by soil salt profiles and other characteristics

Yunnan Observatory photoelectric astrolabe catalogue (Hu+ 1996)

Yunus, Abu'l-Hasan ibn (950-1009)

Yuri Gagarin - The Columbus of Space

Yuri Il'ich Galperin (1932-2001)

Yuri Ilich Galperin

Yuri Ilich Galperin: 70th Anniversary of His Birth

Yurii Alekseevich Gagarin (Obituary)

Yutaka Uchida

Yuval Ne'eman and How He Influenced My Life and Career

Yvonne Choquet-Bruhat: General relativity and Einstein's equations. Oxford University Press, 2008, 816p., GBP67.00, ISBN: 978-0-19-923072-3

YY Boo, ein durch zufall entdeckter bedeckungsveraenderlicher mit pulsationskomponente.

YY CMi: contact or near contact system?

YY Draconis and V709 Cassiopeiae: two intermediate polars with weak magnetic fields

YY Draconis and V709 Cassiopeiae: two intermediate polars with weak magnetic fields

YY Eri & AE Phe (Maceroni+, 1994)

YY ERI revisited

YY Geminorum