the image shows that the planets with the smallest inner core are the earth followed by venus. The inner core is represented by the red color on the bars.
On the other hand, Jupiter has no inner core, Mars has a large proportion of this nucleus and Venus has bigger proportion of inner core than earth.
It a comet that streaks through earth atmosphere. Cause more than 90 percent of meteorites are of rock, while the reminder consist wholly or partly of iron and nickel
