Water Ice Covered The Dwarf Planet Ceres

Posted: Dec 16 2016, 3:08am CST | by , in News | Latest Science News

 

Water Ice Covered the Dwarf Planet Ceres
This graphic shows a theoretical path of a water molecule on Ceres. Some water molecules fall into cold, dark craters called "cold traps," where very little of the ice turns into vapor, even over the course of a billion years. Credits: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA
  • Water Covered Ceres the Dwarf Planet
 

New research shows Ceres covered with water. Direct evidence revealed excessive amount of ice in the surface and deep inside Ceres.

Ceres exists between Mars and Jupiter, and contains excessive amount of water. According to an estimate, amount of water is 30 percent of Ceres’s area. Ice is detected on Ceres water.  

The observation is based on hydrogen distribution over Ceres. Entire result supports the theory that says, Ceres water makes ice after getting separated from the rock. There is still huge amount of water that predicts its presences there for billions of years from now.

The observation about Ceres was taken from global map released by NASA. An instrument called GRaND , Gamma Ray and Neutron Detector was used by NASA to observe Ceres.

GRaND detects Nitrons and gamma rays produced through cosmic rays when they strike Ceres. A layer of debris is formed due to collision containing potassium, hydrogen and iron on Ceres surface and deep inside it.

Though, the instrument is not able to detect water, but the observed data shows presence of water. Computer model was used to collect data that reveals composition of water on Ceres.

New map and studies from computer model show that water ice is present near Ceres poles.  New research showed that the amount of water ice is 27 percent of Ceres mass at high latitudes.

NASA scientists also compared Ceres map with the map of Vesta, a body in asteroid. The comparison showed that hydrogen was 100 times more on Ceres than on Vesta, and it’s evenly distributed on Ceres.

The study was revealed by Thomas Prettyman, who is senior investigator for GRaND. Thomas Prettyman gave his statement at a news conference on Dec 15 at American Geophysical Union’s annual meeting in San Francisco.

There is a possibility of Water Ocean deep in Ceres, and if it’s so then there would be more salt than water, stated by Carol Raymond, who is deputy principal investigator of the Dawn mission. Another similar study also published in the journal Nature that shows presence of water on Ceres.

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