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Based on the concept of science being supported by observations and repeatability, the answer is no. We do not know for certain what the earth's inner core looks like, nor do we know for certain any other properties it may have. We make assumptions of what it could be or should be, but these assumptions are only based on indirect view of the earth.
It is possible that the earth's interior is not hollow. To know for certain, we will need to enter the inner most parts of the earth and see what it is. This has currently not been possible, so we do not know what the core is like. Anyone who says the interior is a certain way is only speculating, but does not know for certain.
What else can I help you with?
Is earths interior hot or cold?
The earths interior is cold
What are the hollow spaces in the earths crust?
Botches
What is the seismic wave that travel's through the earths interior?
A body wave is a seismic wave that travels through Earths interior.
What is a word for hollow intestine?
The word is lumen. It means the interior of a hollow tubular structure such as the intestine.
How does temperature of earths crust compare to the temperature of earths interior?
it depends on the deepth
Which is powered by engery from earths interior?
Volcanoes
Is powered by energy from the earths interior?
Volcanoes
If Neptune was hollow how many earths could fit in?
Approximately 57 Earths could fit inside a hollow Neptune, taking into account its volume which is about 57 times larger than Earth's.
What happens in earths interior to produce earths magnetic?
The movements in the liquid inner core.
What happens in earths interior produce earths magnetic field?
The movements in the liquid inner core.
Is a thin layer of the earths interior?
Rock cycle
Do geologists learn about earths interior by drilling holes?
No
