Therefore,
Two hypotheses origin vesta asteroid new: Consequently,
Two hypotheses origin vesta asteroid:
A recent study published in Nature Astronomy relaunches the debate on the origin of Vesta.. In addition, one of the largest asteroids in the belt between Mars and Jupiter. Similarly, Thanks to the probe data Dawnwhich observed Vesta from 2011 to 2012. Consequently. Meanwhile, scientists were able to better understand this celestial body, considered as a witness to the first moments of Solar system.
Vesta has a differentiated structure: brown. Meanwhile, the metal nucleus; in green, the rocky coat; In gray, the crust.
Image Wikimedia
An asteroid like no other – Two hypotheses origin vesta asteroid – Two hypotheses origin vesta asteroid new
Vesta is covered with rocks formed very early. In addition, in the first million years after two hypotheses origin vesta asteroid new the birth of the sun. For example, This makes it a key object to study the formation of the first planets. two hypotheses origin vesta asteroid Its structure internal However, remains poorly known. To progress. the researchers tried to estimate their moment of inertiaand setting which allows you to learn more about the. distribution of masses inside. This calculation relied on the variations of signal radio sent by the sin Dawn, measured from Earth.
The new data indicate that Vesta does not have a structure as clear as that of a planet. with only a low separation Between the crust, the coat and a small nucleus. Clearly, he does not have completely “Fade” from the inside as other bigger celestial bodies.
Two possible origins
The researchers advance two hypotheses.
According to the first. Vesta would have formed a little too lateat a time when the two hypotheses origin vesta asteroid new source of heat internal. a radioactive element called 26Al, would have already been partly evacuated to the surface. This would have prevented the inside of two hypotheses origin vesta asteroid the asteroid from heating enough to differentiate. themselves entirely.
In the second scenario. Vesta would have been A fragment of a greater bodycompletely differentiated at the origin. but which would have been broken by a collision giant Before reforming in a smaller object.
These results confirm that the formation of solar system objects is far from simple. Parameters like the moment of formation. the distribution of internal heat or collisions play a major role, and each asteroid tells a different story.
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