Facts About All

 Throughout the day we observe that our star changes tonalities: yellow at dawn, white at noon and red at dusk. Why? This happens when ...

   The Sun has a whole family of heavenly bodies traveling around it. Some of the most interesting are the comets. "Comet" comes...

   There are many theories as to what happens at the end of a comet's life. The most common is that the comet's nucleus either split...

   British astronomer Fred Hoyle (1915-2001), who served as a professor of astronomy and philosophy at the Institute for Theoretical Astrono...

   Long, long ago men watched the sky and tried to figure out ways of measuring the things they saw mere. How far was it to the Moon, for ...

   Every One-hundred years or so, observers on Earth can watch Venus at inferior conjunction pass across the face of the Sun. These rare eve...

The four inner planets (Mercury, Venus, Earth and Mars) are the midgets of the solar system. All are quite dense and, apart from Earth, ha...

A total eclipse of the Moon occurs when the Moon passes behind the Earth so that our planet blocks the Sun ’s rays from striking the Moon...

A dwarf planet is a celestial body that orbits the Sun , too small to be considered a real planet but too large to be called a asteroid . ...

Astronauts grow taller (height) in space. The first woman in space was a Russian called Valentina Tereshkova. You have to be at least 58.5 i...

There are at least 2 solar eclipses per year somewhere on Earth. The most times a solar eclipse can occur during a year is five. It is safe...

Within the core of the Sun, the temperature (15,000,000 K) and pressure (340 billion times Earth's air pressure at sea level) of it is ...

Asteroids can contain water, iron, silicates, and some heavy metals - like gold, lead, and uranium. The largest asteroid is Ceres, is abou...

The star that is nearest to Earth is the Sun. A star is a colossal, glowing ball of plasma. Stars are first formed as clouds of ga...

Earth is almost five billion years old, although life has only existed on the planet for the last 150 to 200 million years. This means t...

1. The diameter of the Moon is 2,160 miles (3,476 kilometers). 2. The average distance between Earth and its Moon is about 238,900 ...

 1. Pluto is named after Hades, the Greek God of the underworld. Pluto is the Roman translation. 2. Clyde Tombaugh discovered Pluto...

 1. Neptune's moon, Triton has the coldest temperatures measured in the Solar System, about -230°c. 2. Neptune is the fourth larg...

 1. As per mythology, Uranus was the lord of the skies and husband of Earth. He was also the King of the Gods, until his son Saturn over...

 1. Galileo was the first person to discover the Saturn rings. He was confused by its strange appearance in his telescope. 2. Sat...