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We can only directly observe the earth's surface and (through mines and wells) get a peek at structures less than half a percent of the way to the center of the planet.
We can observe natural phenomena that bring material up from farther down, such as volcanoes.
We can also use models to predict what earth must be like, knowing the gravity and mass and size of the planet.
We can also use information gained by the reverberations of large surface events to map out the interior of the planet by sonar. In the days of underground nuclear tests, and from modern-day earthquakes, we can see patterns of how compression waves travel and reflect from the interior.
The science involved in this methodology is incomplete and still evolving.
Wiki User
∙ 13y ago
Wiki User
∙ 12y agoThe fact that it exists and is here is interpreted by some
as a strong indication that it had an origin.
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Has evidence of life been found outside the earths atmosphere?
Unless you mean astronauts, then no. Unfortunately, no evidence of alien life, not even bacteria, has been found so far.
How is the structure of earth and the structure of a peach similar?
Sorry. The earths core reminds me of an apple. So here goes. In the center of the apple, there is a core, and that is the hardest a biggest part. So that is the earths core. The crust is the skin of the apple, and that is also the thinnest. The rest is the outer core and mantle.
Which planet is most like Earth in diameter and mass?
Venus is closest to the Earths size and mass - often referred to as Earths sister or twin planet. Venus' Mass is around 82% of Earths, while its diameter is a little smaller than Earths at around 95% of Earths.
Where is earths moon located?
earths moon is located basicly on the earths gravitational pull called the ionosphere which is the highest magnetic field of earth
Which planet is most like earth in size and mass?
Venus is closest to the Earths size and mass - often referred to as Earths sister or twin planet. Venus' Mass is around 82% of Earths, while its diameter is a little smaller than Earths at around 95% of Earths diameter.
How do fossils provide evidence for moving plates?
Their evidence comes from rocks at earths surface.
What evidence of the tilt of earths axis?
Seasons
What plates are in earths structure?
Techtonic plates
Scientists who study the Earth's structure?
geologist study the earths structure.
What is the physical structure on earth?
physical structure is geology and geology is a movement in the earths crust which is also physical structure.
What is the study of the earths structure?
Geology
What part of earths structure are oceans located on?
mantle
A scientist who studies rocks and earths structure?
geologist
How do you obtain indirect evidence about earths interior?
Seismic waves
Evidence that earths core has a high iron content from?
meteorites
What evidence do scientists have to support the relationships of the earths parts?
a. seismic waves b. volcanoes c. earthquakes d. rocks
If holes drilled sveral kilometers into earths crust provide direct evidence about earths interior in the form of what?
Rock samples
