In November 2011, the Copernicus Astronomical Center satellite ground station had begun to operate. It ... more The satellite ground station»
Transit of Venus will be on 6 June 2012. In Warsaw it will be visible only ... more Transit of Venus»
The observations of the Galactic Plane carried out with the H.E.S.S. telescope have ... more A newly discovered VHE gamma-ray PWN candidate around PSR J1459-60»
In 1676 Roemer observed that the apparent moment of Jovian moons' eclipses change depending on the ... more Light Time Effect in eclipsing binary stars' light curves»