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  • ...ant]] phase, the helium in the core fuses to form heavier elements up to [[iron]] with the help of gravity. Due to its own heavier mass, the dense core wit
    4 KB (692 words) - 09:46, 1 December 2016
  • ...se helium to form heavier elements up to [[iron]]. Beyond the formation of iron, stars collapse due to its own [[gravity]] and massive stars explode violen
    5 KB (825 words) - 11:30, 14 February 2017
  • ...]]. It is similar to [[Earth]] in size of about 6052 km in radius, with an iron core of 3200 km in radius. The planet is highly volcanic due to the thin cr
    4 KB (677 words) - 10:48, 12 January 2017
  • ...s often dubbed as the red planet. As the surface of Mars is covered with [[iron oxide]], the surface of the planet is seen with a reddish hue. Next to [[Ve
    4 KB (706 words) - 10:09, 13 January 2017
  • Mercury is the second densest planet in the solar system, with a molten iron core that would make about 1800 km in radius.<ref> Finley, Dave (May 3, 200
    4 KB (669 words) - 08:34, 12 January 2017
  • ...yer from the inner core is the outer core, a 2200 km thick layer of molten iron and other metals. Due to the pressure and temperature differences between t
    2 KB (361 words) - 04:38, 6 February 2017