Ocean smoothly into oceans of supercritical hydrogen. The atmosphere of Venus is 96.5% carbon dioxide, which is a supercritical fluid at its surface. On other bodies: Ocean An ocean () is a body of saline water that composes much of a planet's hydrosphere. On Earth, an ocean is one of the major conventional divisions of the World Ocean. These are, in descending order by area, the Pacific, Atlantic, Indian, Southern (Antarctic), and Arctic Oceans. The word "ocean" is often used interchangeably with "sea" in American English. Strictly speaking, a "sea" is a body of saline water (generally a division of the
Ministry of Earth Sciences located at IITM, Pune is one of the largest computation facility in India. Ministry of Earth Sciences The Ministry of Earth Sciences was formed in the year 2006 from a merger of the India Meteorological Department (IMD), the National Centre for Medium Range Weather Forecasting (NCMRWF), the Indian Institute of Tropical Meteorology (IITM), Pune, and Earth Risk Evaluation Centre (EREC), and the Ministry of Ocean Development. Currently, the ministry is headed by Dr. Harsh Vardhan. The Ministry’s mandate is to look after Atmospheric Sciences, Ocean Science & Technology and Seismology in an integrated manner. All institutions under ESSO are connected