THE SOLAR SYSTEM


THE SUN:The diameter at the equator is 1392 000 km.the temperature at the surface is 5800*c.The temperature at the centre 15 000 000*c

FACT:The sun is about 4.7 billion years old and has a predicted lifetime of 10 billion years.


MERCURY:The distance from the sun is 58 million km diameter at the equator 4880 km mass compared to earth 0.06.Time for one rotation of the axis (length of day) 95 days typical temperature 420*c to -180*c

FACT: The sunward surface of mercury can reach temperatures over 400*c /752*f.