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Creation date: 28.01.2024,   Archive date: 28.01.2024

Equilibrium tori orbiting Reissner-Nordström naked singularities

In a remarkable study, Abramowicz, Jaroszyński, and Sikora (1978) computed the hydrodynamical structure of an accretion … more Equilibrium tori orbiting Reissner-Nordström naked singularities»

Creation date: 18.01.2024,   Archive date: 18.01.2024

Auroras on Planets around Pulsars

The first confirmed extrasolar planets were found by Alex Wolszczan and Dale A. Frail (1992). They … more Auroras on Planets around Pulsars»

Creation date: 21.11.2023,   Archive date: 21.11.2023

BRITE-Lem: 10 years in space

Exactly 10 years ago, on 21 November 2013, the first Polish astronomical scientific satellite named "BRITE-Lem", … more BRITE-Lem: 10 years in space»

Creation date: 06.11.2023,   Archive date: 06.11.2023

Astrophysics with continuous gravitational waves

Direct detections of gravitational waves have become a powerful new tool of multi-messenger astrophysics. Apart from … more Astrophysics with continuous gravitational waves»

Creation date: 13.10.2023,   Archive date: 13.10.2023

Unsupervised Machine Learning Helps to Decipher the Galactic Halo

The halo of the Milky Way is an extended and roughly spherical region, sparsely populated by … more Unsupervised Machine Learning Helps to Decipher the Galactic Halo»

Creation date: 05.10.2023,   Archive date: 05.10.2023

Scientists discover the highest energy gamma rays from a pulsar

Artist’s impression of the Vela pulsar H.E.S.S. observatory records 20 TeV photons from the Vela pulsar
Scientists using the H.E.S.S. observatory in … more Scientists discover the highest energy gamma rays from a pulsar»

Creation date: 01.10.2023,   Archive date: 01.10.2023

Dragon II - simulations with up to 1 milion stars

Fig. 1   The elusive intermediate-mass black holes (IMBHs) may represent the missing link between stellar … more Dragon II - simulations with up to 1 milion stars»

Creation date: 12.09.2023,   Archive date: 12.09.2023

The H.E.S.S. Observatory featured on NASA's website.

H.E.S.S. Observatory   The H.E.S.S. Observatory has been featured on NASA's "Astronomy Picture of the Day" website. Every … more The H.E.S.S. Observatory featured on NASA's website.»

Creation date: 22.06.2023,   Archive date: 22.06.2023

History of the old stellar populations of the Milky Way

The Milky Way, our home galaxy, has had a pretty interesting past. It has grown over … more History of the old stellar populations of the Milky Way»

Creation date: 15.06.2023,   Archive date: 15.06.2023

Direct imaging and astrometric detection of a gas giant planet


Despite we know thousands of extrasolar planets (exoplanets), only a small fraction of them have been  … more Direct imaging and astrometric detection of a gas giant planet»

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