Do We Get Any Heat From Other Stars

Heat from other stars. Does the Earth receive heat from the millions of other stars in our galaxy? Does the light bring the heat and perhaps it cools down on the long journey through space to reach the earth and therefore no significant amount of heat arrives here? While we do receive heat from otherContinue reading “Do We Get Any Heat From Other Stars”

Why Don’t We Feel That the Earth Is Spinning?

Clara learned from her older sister that the earth rotates. Always. Who would have to believe that? We would feel it! Wouldn’t we? Before we delve into the answer to this interesting question, it would probably be exciting to know why the earth rotates in the first place. Well, it’s a bit complicated, but youContinue reading “Why Don’t We Feel That the Earth Is Spinning?”

Earth Day – International Mother Earth Day

Earth Day, officially known as International Mother Earth Day, occurs every year on April 22nd. The celebration of Mother Nature helps to highlight to the world’s population and governments the dangers facing our ecosystems due to the improper use of their natural resources. Why is Earth Day celebrated? International Mother Earth Day was born fromContinue reading “Earth Day – International Mother Earth Day”

How the Deserts Are Formed

Deserts are dry places where little rain or snow falls. Some deserts receive less than 25 mm of rainfall each year, although others can receive much more. There are two climatic phenomena that lead to the aridity that characterizes deserts: the progressive decrease in rainfall and the increase in evaporation. These circumstances occur on one side and theContinue reading “How the Deserts Are Formed”

Fossil Fuels – What Are They?

The world as we know it today would not have existed without fossil fuels. They made the industrial revolution possible in the 19th century. Fossils fuels drive today’s economic growth but also contribute significantly to man-made climate change. They originated from forests and microorganisms that existed in earlier geological ages. The origin of the termContinue reading “Fossil Fuels – What Are They?”

What are Shooting Stars and where do they come from?

On some nights you can observe a special astronomical event: it looks as if a star is falling from the sky. Superstitious people even think that anyone who sees such a shooting star could wish for something. But what is really behind this phenomenon? Where do shooting stars come from and what are they? AsteroidsContinue reading “What are Shooting Stars and where do they come from?”

What is a Tsunami? Definition, Facts and Figures.

The word “tsunami” originated in Japan. It means “harbor wave”. The term originated from the impressions of fishermen who had returned to their home port and found it devastated. The destruction hit them completely unprepared because they hadn’t noticed any waves at sea. The word “tsunami” was therefore used to describe the destructive effects ofContinue reading “What is a Tsunami? Definition, Facts and Figures.”

Let’s say I don’t believe the world is round. How can anyone prove to me that the world is round?

How can anyone prove to me that the world is round? I will skip the obvious answer “there are photos from space”, and move on to the interesting part – how can I, by any means, prove that the earth is spherical and not disk? Here I would like to point out – the GreeksContinue reading “Let’s say I don’t believe the world is round. How can anyone prove to me that the world is round?”