... can lead to large discrepancies in predictions of the position of satellites, compared with the reality, even after a relatively short period of time. This affects our collision probability predictions. In fact, we take the same approach as weather...
... with international partners and preparatory technology developments. Germany leads Europe as the largest contributor of funds to the relatively recent field of human spaceflight, which is still not 60 years old. This relates, in particular, to the...
... for building small low-cost satellites with short missions. Like most technology viewed in retrospect, ‘small’ is relative. Triana weighed about the same as an early model Fiat 500 - much lighter than your typical school...
The beginning of Polish activity in astronomy dates back to the 15th century and the famous figure of the time - Copernicus. His work, On the Revolutions of the Heavenly Spheres, describes in detail the heliocentric theory of our planetary system. ...
...the world’s security and well-being is enormous if hard to quantify. All of this activity is premised on continuation of the relatively benign operating environment of space, free up to this point from man-made attacks or threats against space assets...
... of field that evolves dynamically with the expansion of the universe? Is dark energy instead a manifestation of a breakdown of General Relativity and deviations from the law of gravity? What is the nature of dark matter and its properties? What...