The National Aeronautics and Space Administration (NASA) is an independent agency of the United States Federal Government which performs the activities related to the civilian space program, as well as aerospace research and aeronautics. NASA is one of the best space agencies in the world and tops the chart in…
Which planet is called the evening star? Venus reflects sunlight so well that it shines like a star. But because it is quite close to the sun, we can see it in the evening, just after the sun sets that is why it is also called as Evening Star. We…
What is the Moon? The moon is the Earth’s natural satellite. It has circled around the Earth for at least four billion years. It is a rocky ball about a quarter of Earth’s size and is held in its orbit by mutual gravitational attraction. Most scientists believe that…
How Did The Earth Begin? Around 4.6 billion years ago, neither the earth nor any of the other planets existed. There was just this vast, dark, very hot cloud of gas and dust swirling around the newly formed sun. Gradually, the cloud and the gas began to condense into billions of…
