id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ddj-197	Pitkanen, Matti	Expanding Earth Hypothesis and Pre-Cambrian Earth	2023	12	.pdf	application/pdf	6906	416	62	81-92 83 Pitkänen, M., Expanding Earth Hypothesis and Pre-Cambrian Earth The analogy between recent Mars and pre-Cambrian Earth suggests that the Earth had only a single core analogous to the recent inner core which is solid and consists mostly of Fe and Ni. The leakage of molecules in CE Earth was not as intense as in Mars today since the gravitational field was 10 times stronger than in Mars.	cache/ddj-197.pdf	txt/ddj-197.txt