they know because of readings from seismic graphs when earthquakes occur
the behavior of the core is what one expects of molten iron or something very similar so they deduced that it is iron
Posted By: Tony Martin on June 30th 2009 at 08:21:05
Message Thread
- Aluminium is the most common metal known 'on earth' (ie in the crust). The unreachable cor (General Chat) - Ralf Scrampton, Jun 30, 08:09:24
- If it's unreachable, how do they know? (n/m) (General Chat) - DrDublin, Jun 30, 08:11:20
- It's very likely to be iron because of nuclear binding energy (General Chat) - Partial Angler, Jun 30, 09:28:33
- we don't, that's why it's theoretical, i have read a couple of explanations behind the the (General Chat) - Ralf Scrampton, Jun 30, 08:16:05
- they know because of readings from seismic graphs when earthquakes occur (General Chat) - Tony Martin, Jun 30, 08:21:05
- ^^^ see, the Wrath is better than Wikipedia... (n/m) (General Chat) - Ralf Scrampton, Jun 30, 09:42:22
- ...and Journey to the Centre of the Earth (n/m) (General Chat) - malkybarkid, Jun 30, 08:35:52
- they know because of readings from seismic graphs when earthquakes occur (General Chat) - Tony Martin, Jun 30, 08:21:05
- If it's unreachable, how do they know? (n/m) (General Chat) - DrDublin, Jun 30, 08:11:20
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