What is there more of, stars in the observable universe or grains of sand on earth?
why is it that the inner core is the hottest part on earth yet the deepest part? its the part furthest away from the
If the earth really revolves around the sun, then why when we look at the sun we can see it plainly revolving around
is it true that the earth constantely have earthquakes ever few minutes but not very strong ones? and we are so use to