172. Mass of Mars is 6.42 × 10^29 kg and mass of the Sun is 1.99 × 10^30 kg. What is the total mass? 172. Mass of Mars is 6.42 × 10^29 kg and mass of the Sun is 1.99 × 10^30 kg. What is the total mass? August 1, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related