The vast expanse of space and matter we live in is Universe. Universe consists galaxies, stars, clusters of galaxies, black holes, cosmic ray particles, etc. the count of which is infinite in nature.
Scientists are finding new planets and views into the deepest reaches of space, breaking new ground in understanding the universe and its mysteries. The facts that we are familiar with universe is the the Sun, Moon, and the nine planets that comprises the galaxy Milky wave.
The geophysical matter and their properties such as temperature, density and pressure, and how its distributed in the space as well in the planets is explored by the department of cosmology by different countries.