Comet smashed Mars out of shape?

A giant crater made by an asteroid or comet explains why Mars is so lopsided, with a basin on one hemisphere and high terrain on the other, three separate teams of scientists said.

Click on the link to read more:
http://timesofindia.indiatimes.com/Comet_smashed_Mars_out_of_shape/rssarticleshow/3170154.cms

Sea water is salty

Seawater tastes salty because it contains common salt and other minerals.

Tallest Sea mount

Did you know that the tallest seamount under the ocean is situation between Samoa and New Zealand and it is 8690 m high.

Do you know About earth crust

The Earth ws initially hot and fiery. It slowly condensed and cooled, and then because conducive for the evolution of life.

With every 1000m from the crust to the centre of the earth, the temperature rises by 35 C. In the mantle, the temperature reaches 3000 C and at the core it is 7000 C.

The main elements that make up the crust are oxygen, silicon, aluminium, iron, calcium, sodium, potassium and magnesium.

The Mohole project was undertaken in the 1960s by American and Russian scientists to drill through the ocean floor to reach the mantle. It was later abandoned because of increasing costs.