origin and evolution of earth
Earth is estimated to be as old as the solar system, that is, approximately 4.5 billion years old.
Sun
The expansion of this cloud was slowing down and began to contract and its particles began to take a rotational movement that gave the cloud a flattened shape. As more and more contracted, most of the matter (gas and dust) concentrated in the center of the solar nebula, giving rise to the Sun, while the rest of the material clumped together, and formed rocky bodies.
FORMATION OF THE EARTH
DUE TO THE IMPACT, OUR PLANET ACQUIRED A RING OF DUST AND ROCKS, FROM THESE MATERIALS, FINALLY, THE MOON FORMED
Earth collided with a planet. d. Earth in the solar system.
and. Layers of the Earth.
on the Earth the
layers of the earth in addition to the atmosphere and
hydrosphere.
Planets
As the nebula grew colder, the rocky bodies aggregated and gave rise to larger bodies such as meteoroids. These gave rise to asteroids, these to planetoids and finally from these the planets originated.
Earth
The history of the Earth is divided as follows:
4 "aeons" or "eons" that last between 540 Myr (Myr = million years) and 2 Byr (Byr = billion years).
Each aeon is subdivided into three or four "eras" of a few hundred million years (> 100 Myr).
An era divides three or four "periods" of a few tens of millions of years (> 10 Myr)
The periods are divided into "epochs" whose unit of time is the million years (> 1 Myr).
VIDEO
sOLAR SYSTEM
Nebular theory
Emanuel Swedenborg, Immanuel Kant and Pierre-Simon Laplace in the 18th century. This theory proposes that the planets were generated at the same time as the Sun, as residual eddies of a single expanding cloud of gas and dust, the solar nebula.
+ info
tHANKS
EARTH
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Transcript
origin and evolution of earth
Earth is estimated to be as old as the solar system, that is, approximately 4.5 billion years old.
Sun
The expansion of this cloud was slowing down and began to contract and its particles began to take a rotational movement that gave the cloud a flattened shape. As more and more contracted, most of the matter (gas and dust) concentrated in the center of the solar nebula, giving rise to the Sun, while the rest of the material clumped together, and formed rocky bodies.
FORMATION OF THE EARTH
DUE TO THE IMPACT, OUR PLANET ACQUIRED A RING OF DUST AND ROCKS, FROM THESE MATERIALS, FINALLY, THE MOON FORMED
Earth collided with a planet. d. Earth in the solar system. and. Layers of the Earth.
on the Earth the layers of the earth in addition to the atmosphere and hydrosphere.
Planets
As the nebula grew colder, the rocky bodies aggregated and gave rise to larger bodies such as meteoroids. These gave rise to asteroids, these to planetoids and finally from these the planets originated.
Earth
The history of the Earth is divided as follows: 4 "aeons" or "eons" that last between 540 Myr (Myr = million years) and 2 Byr (Byr = billion years). Each aeon is subdivided into three or four "eras" of a few hundred million years (> 100 Myr). An era divides three or four "periods" of a few tens of millions of years (> 10 Myr) The periods are divided into "epochs" whose unit of time is the million years (> 1 Myr).
VIDEO
sOLAR SYSTEM
Nebular theory
Emanuel Swedenborg, Immanuel Kant and Pierre-Simon Laplace in the 18th century. This theory proposes that the planets were generated at the same time as the Sun, as residual eddies of a single expanding cloud of gas and dust, the solar nebula.
+ info
tHANKS