Category: Science

Why is it called a Blue Moon

Blue Moon – Designation of the second full moon in a calendar monthThe “Blue Moon” translated as “Blue Moon” in German is a rare lunar event that occurs on average every two and a half years. It marks the second full moon in a calendar month. In fact, the...

Why is earth called the living planet

Earth, a living planet Formed about 4.54 billion years ago, Earth is covered by salt water about 71% by oceans – the remaining 29% correspond to land areas: islands and continents. Also known as the Blue Planet, it is the largest and most massive of the terrestrial planets in...

Why Mercury is not the hottest planet

Apart from the Sun, which star is the largest and most massive planet in our solar system? It may not be obvious, but Jupiter is the king of the planets in the night sky. Mercury is not the hottest planet Jupiter, the largest planet in the solar system Largest...

Why is the color of the clear sky blue

If you look at the sky from space on a summer day, it is black and sunlight glows white. Why is the color of the clear sky blue When viewed from the ground, the colors appear different: the sky is an intense blue, with the sun projecting a warm...

Why is Pluto not a planet anymore ?

Officially, as of 24 August 2006, Pluto is no longer considered a true planet, but a dwarf planet. Why is Pluto not a planet anymore ? It was approved by the General Assembly of the International Astronomical Union, which also set a series of guidelines on whether a celestial...