Ursa Minor

Ursa Minor also known as the Little Bear, is a constellation in the Northern Sky. Like the Great Bear, the tail of the Little Bear may also be seen as the handle of a ladle, hence the North American name, Little Dipper...

Read More

Black Hole

Don't let the name fool you: a black hole is anything but empty space. Rather, it is a great amount of matter packed into a very small area - think of a star ten times more massive than the Sun squeezed into a sphere approximately the diameter of New York City...

Read More

Milky Way

Like more than two-thirds of the known galaxies, the Milky Way has a spiral shape. At the center of the spiral, a lot of energy and, occasionally, vivid flares are being generated...

Read More

Swimming

Swimming competitions became popular in the nineteenth century. Swimming is an individual or team racing sport that requires the use of one's entire body to move through water. The sport takes place in pools or open water...

Read More

International Space Station

The International Space Station (ISS) is a multi-nation construction project that is the largest single structure humans ever put into space. Its main construction was completed between 1998 and 2011...

Read More

Sun

The sun is called in mythology by various names: the Greeks called it Helios while the Romans called it Sol. The sun is the largest object in the solar system. It contains more than 99.8% of the total mass of the Solar System...

Read More