http://noticiasdelaciencia.com/not/13033/la-nave-dawn-llega-a-ceres-como-el-primer-visitante-de-un-planeta-enano/
Summary:
N.A.S.A has always improving and his final achievement was to be the first space agency that visits a dwarf planet with a spacecraft. Ceres is the first of the dwarf planets to be visited by a spacecraft. Dawn has taken 7.5 years to reach its destination. His arrival has seen it pass behind the dwarf to hos "dark side". The satellite has turned up at Ceres having previously visited asteroid Vesta. Vesta is the 3th bigger asteriod from the Asteroids's belt (location between Mars and Jupiter).
Researchers think Ceres' interior is dominated by a rocky core topped by ice that is then insulated by rocky lag deposits at the surface. A big question the mission hopes to answer is whether there is a liquid ocean of water at depth. Some models suggest there could well be. The evidence will probably be found in Ceres' craters which have a muted look to them. The speculation is that Ceres has been struck by something, exposing deeply buried ices. The Dawn mission is expected to work at the dwarf planet for, at least, 14 months.
Critical appraisal:
Every time people are innovation. I think that if we are arriving now to investigate dwarf planets for first time, maybe in 10, 20 or 30 years we will can know all about our solar sysitem. Maybe it discoger can show us a new incredible discover that we will can imagine. As we know more, we are nearer to be perfectly. Maybe this discover shows us that there exists life in other planets. Why not?
Glossary:
A spaceship is a vehicle, vessel or machine designed to fly in outer space.
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