| Topic | Description |
| This is our solar system, build around our star Sun. There are nine planets are there in our Solar System. The one and only living planet we know is our E A R T H. | |
| This is our planet. The metrics of our planet is Mass (kg)............................................5.98 x 10^24 Diameter (km)........................................12756 Escape velocity (m/sec)..............................11200m (11.2 km) Average distance from Sun (AU).......................1 Rotation period (length of day in Earth hours).......23.93 Revolution period (length of year in Earth days).....365.26 Obliquity (tilt of axis in degrees)..................23.4 Mean surface temperature (K).........................281 Maximum surface temperature (K)......................310 Minimum surface temperature (K)......................260 Highest point on surface.............................Mount Everest (over 8 km above sea-level) Atmospheric components...............................78% nitrogen, 21% oxygen, 1% argon |