Astrophysics II

Astrophysics II is an education and reference app for learning and quick lookup in modern astrophysics. It combines concise topic summaries with visual diagrams, equation sheets, and interactive calculators to help you study faster and work more accurately. Core features include a searchable encyclopedia of stellar physics, cosmology, and high‑energy astrophysics; equation and constants library with units and context; and practice quizzes with step‑by‑step solutions. Designed for university students, educators, and enthusiasts, it offers smart search, offline access, and cloud sync bookmarks to make it a powerful astrophysics reference and study guide.