Vesta – an Asteroid or a Planet
Vesta is the 2nd largest object present in the main asteroid belt.Its diameter is 330 miles. It’s also called a Protoplanet. Vesta has an iron core, a varied rocky surface and possibly a magnetic field, all these points that Vesta is a planet not an asteroid. Analyzing the surface of Vesta it has been predicted that Vesta is around three million years old. There is a possibility that Vesta was a planet before. But what has prevented Vesta to become a planet? Its Jupiter . Jupiter is a very big planet thus its forces are awesomely great.So it is the force of Jupiter that the so-called planet has been degraded to a protoplanet due to collisions in the main asteroid belt. As it is rightly said “Two big forces can’t reside in the same den, eventually the Stronger force has to destroy the weaker one.” Thus Jupiter’s enormous force has prevented Vesta to merge with others and form a bigger planet.
More data has reviled that Vesta has an igneous lava like surface. It have also been predicted that some of the meteorites that has been found on earth has linked to the same impact dates on vesta.
This is the animated surface of Vesta which is generated from the pictures taken by Dawn framing camera. These images are taken from special infrared and visible light filters and it has been combined to represent it with colors. Each color represent the property of a topography or terrain.
In the above image Green represents high iron content. Researchers are still figuring out to interpret some of these colors.
Dawn is doing such a great job.It will leave Vesta on Aug 26th and will proceed towards the dwarf planet Ceres. Ceres is the largest object in the asteroid belt. It will reach Ceres Feb 2015 .