Astro Chapter 7 question n answers 2024/2025

Astro Chapter 7Sun aka - correct answer king of the solar system the sun is ... of solar system's mass - correct answer 99.9% what is the sun made of? - correct answer hydrogen and helium the sun converts - correct answer converts 4 million tons of mass into energy each second how does the sun influence the planets - correct answer gravity: regulates orbits heat: temperature of the planets visible light high energy particles: stream out of the sun to influence planetary atmospheres and magnetic fields characteristics of mercury - correct answer metal and rock, iron core desolate, cratered; long, tall, steep cliffs very hot and cold. characteristics of venus - correct answer nearly as identical in size to Earth; surface hidden by clouds, hellish conditions due to extreme greenhouse effect, hotter than mercury characteristics of Earth - correct answer an oasis of life, only surface liquid water in Solar system, large moon characteristics of mars - correct answer looks almost earth-like, giant volcanoes, huge canyons, polar caps, water in distant past