The celebrated X-ray binary Cyg X-1 contains the first black hole ever detected in our Universe ... more Cygnus X-1 contains a 21-solar mass black hole»
How can we study the first stages of the Milky Way chemical enrichment process? One way ... more Inhomogeneity in the early Galactic chemical enrichment»
Supernovae explosions are among the most energetic events on the sky. Thermonuclear supernovae are predicted to ... more Black hole formation in supernova explosion»
A star passing close enough to the supermassive black hole is disrupted by tidal forces, and ... more Elliptical accretion disk as a model for tidal disruption events: A Jerusalem bagel from Beijing»
A team of scientists led by astronomer, Prof. Grzegorz Pietrzyński, has won the most prestigious grant ... more ERC Synergy grant for prof. Pietrzyński from CAMK PAN»
The event horizon is a unique feature of black holes. However, for a fundamental reason it ... more Reflection-asymmetric wormholes and their double shadows»
The proposal to include the Einstein Telescope, a pioneering third-generation gravitational-wave (GW) observatory, in the 2021 ... more Poland among the founding countries of the Einstein Telescope project consortium»
Virgo and LIGO have announced the detection of an extraordinarily massive merging binary system: two black ... more Virgo and LIGO unveil new and unexpected black hole populations»
The stars with the initial mass range of about 1-8 Mo lose most of ... more Validating post-AGB candidates in the LMC and SMC using SALT spectra»
Ultraluminous X-ray source (ULXs) are exciting objects basically observed only by X-ray satellites. Question whether they contain ... more An extreme Ultraluminous X-ray source X-1 in NGC 5055»