expedition

Comet

Comets fascinate the human mind since ancient people first noticed the white tail streaking through the night starry sky. We remember the date when the comet flies past the Earth once a century or even less often and remember all our lives. In the middle ages in Europe, the appearance of comets was often linked to various natural disasters and diseases. In religion, these heavenly bodies also play an important role. For example, in the New Testament, the comet heralded the birth of Christ.

Astronomers find comets also interesting and fascinating space objects, because they are witnesses of great historical events and even carry evidence of them.

The comet is a relatively small object in our solar system, usually having a diameter of several kilometers. Sometimes called “dirty snowballs” because of their component substances. Usually comets are composed of the following four elements:

Dust

Ice (water, ammonia, methane, carbon dioxide)

Some organic materials (e.g., resin)

Rocky ground (optional) Continue reading

Solar system
The origin of the solar system The sun and the solar system was formed about 4.5 billion years ago. The solar system originated from a cloud, composed of gas and…

Continue reading →

Jupiter is the largest planet in the Solar system
The period of rotation around the Sun Of 11.86 earth years The first "date" earthly messenger with the giant of the Solar system - Jupiter was held in late 1973.…

Continue reading →