Question

please tell me the answer of c, d, e,f...............​

Answer 1

c)12713.6

d)The most common is to measure the apparent angular diameter of the planet – how big it looks against the sky – very precisely using a telescope. Combining this with a measure of its distance (deduced from its orbit around the Sun) reveals the planet's actual size.

e)Craters

f)Global Positioning System

Answer 2

Answer:

C. 12713.6 km

F. Global Positioning System