Astronomy and Space Science

Basic purpose of this lecture is to present on Astronomy and Space Science. Here briefly focus on: Astronomy Basics
Length, time, angles and Celestial sphere, star maps. Alos describe on Solar System: Orbital Motion of the Earth around the Sun; Geocentric models; Heliocentric models and Modern views. Space science encompasses all of the scientific disciplines involved in space exploration and studying phenomena occurring in outer space, such as space medicine and astrobiology.