Cosmic update : Dark puzzles. Arrow of time. Future history

Modified Gravity in the Milky Way Galaxy's Rotation Curve: Dark and Baryon Sectors = Gravitasi Termodifikasi dalam Kurva Rotasi Galaksi Bima Sakti: Sektor Gelap dan Baryon

Simulations of dark energy cosmologies

Text-book on spherical astronomy / W. M. Smart

Gembira bermain dengan astronomi : 101 percobaan yang pasti berhasil = Astronomy for every kid : 101 experiments that really work/Janice Pratt Van Cleave; penerjemah, Dadi Pakar