A recent paper The Origin of the Ultraluminous X-Ray Sources by Grzegorz Wiktorowicz (Warsaw University), Małgorzata … more Paper by Warsaw Astronomers highlighted on AAS Nova»
For the first time, scientists have directly detected gravitational waves — ripples in space and time … more LIGO and Virgo make first detection of gravitational waves produced by colliding neutron stars»
The Virgo collaboration and the LIGO Scientific Collaboration report the three-detector observation of gravitational waves. This … more The LIGO-Virgo global network of three interferometers opens a new era for gravitational wave science by jointly observing the black hole merger»
On Thursday, Aug. 31, 2017, a prototype telescope proposed for the Cherenkov Telescope Array (CTA), the … more SST-1M First Light»
On a cold March night in Seoul almost 600 years ago, Korean astrologers spotted a bright … more Recovery of nova spotted by ancient Koreans illuminates many stages of star system's life cycle»
Whether planetary nebulae (PNe) are predominantly the product of binary stellar evolution as some population synthesis … more Long period binary in NGC 1360»
Classical Cepheids are among the most important variable stars. As primary distance indicators, they are of … more Unstable Standard Candles»
On September 12, 2016, at 21:44:07 UT, a -9.2 mag fireball appeared over northeastern Poland. The … more PF120916 Piecki fireball and Reszel meteorite fall»