Why The Ocean Is Salty? Frequently we come across a fact about our earth that mystifies us. We find no answer. One such fact is about the existence of salt in the oceans. What reaches the salt there? We do not know how the salt...
What Do We Know About A Comet? The appearance of a comet was considered very inauspicious. People trembled with fear. The comets were believed to be evil omens that for told wars, calamities and death. Now we have a reasonably good idea about the comets....
What Do We Know About The Falling Stars? The ‘falling stars’ are not new to us. For thousands of years even have looked up at them. They have always wondered, as to what they were and where they come from. At one stage, it was...
What Do You Know About The Brightest Star? Looking up in the sky we try to find the brightest star. We imagine that the stars are in countless numbers. At the most, we can see about 6000 stars without a telescope. About 25 percent of...
Tell Me About Milky Way The Milky way is probably the most wonderful-looking and mysterious in the sky. It is a wide band of jewels stretching from one end of the sky to the other. When people gazed at the sky even in ancient times...
What Is A Constellation? Looking at the stars, we trace out squares, letters, and other familiar figures. All over the world, people long ago did this and named the group of stars they observed. This group of stars is called “a constellation”, from the Latin...
What Is Earth Made Of? As we know, the earth is a big ball. It is composed of rock to a great extent. The earth on its inside is melted rock, while on the exterior, the cover is of hard rock. Of the total surface...
How The Sun Keeps Shining? Looking at the shining Sun during the day and the stars that shine at night, we look at the same kind of objects. One does not believe readily. In actual the Sun is also a star. It is nearest to...
Why Our Solar System Is As It Is? Apparently, there is no reason known to us, as to why the solar system is arranged as it is. Its arrangement might have been different, as other solar systems in the universe are arranged differently. But, it...
