Earth

Earth

After the Mercury and the Venus, it is time to write something about the planet on which we live. Age of the Earth is about 4.5 billion years. The Earth has only one natural satellite – the moon and the Earth is a unique planet in many ways.  It is the only planet that contains … Continue reading

Venus

Venus

The planet Venus is the second planet in our Solar System. Venus has 500 km smaller diameter than the Earth and it is one of the brightest planet after the Sun and the Moon. One of the first pictures of the Venus were created in 1970s by the spacecraft Venus 9. Unfortunately, everything that we … Continue reading

Mercury

Mercury

Planet Mercury is the first planet in the solar system. Considering  that the path of Mercury is elliptical, it’s distance from the Sun varies from 28 million to 43 million miles. Record of observation of Mercury exist from ancient civilization such as China and Mesopotamia. Several decades lasted theory that Mercury does not rotate on … Continue reading

How was the universe created ?!

How was the universe created ?!

Until the 19 th century, humans were only interested in measuring the size of celestial bodies and their mutual distances. Over time, as the science developed, the human began to explore how the universe was created and what is actually its size. The origin of the universe is still a topic of research. Scientific minds … Continue reading

Basic things about astronomy

Basic things about astronomy

Astronomy is considered as one of the oldest sciences in the world. Humans have always been interested in “strange events” in the sky like falling stars and solar eclipse. Ancients observed the sky to determine the time for crops and great events. In fact, the Babylonians made one of the first recorded observatories. As the … Continue reading

Pulsar

Pulsar

Pulsar is highly magnetized, rotating neutron star that emits a beam of electromagnetic radiation. This radiation can only be observed when the beam of emission is pointing toward the Earth, much the way a lighthouse can only be seen when the light is pointed in the direction of an observer, and is responsible for the pulsed appearance of emission. … Continue reading