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An Earth-sized rogue planet discovered in the Milky Way

Our Galaxy may be teeming with rogue planets, gravitationally unbound to any star. An international team of scientists, led by Polish astronomers from the University of Warsaw, has announced the discovery of the smallest Earth-sized free-floating planet found to date.

The Denouement of the Enigma of the Roman Mosaic from the House of Aion in Paphos

After years of research conducted by Prof. Marek T. Olszewski from the UW Faculty of Archaeology, the iconographic program of the famous mosaic from the reception room of the Roman House of Aion in Paphos (Cyprus) has been resolved. The interpretation of the Polish researcher was accepted by scholars of Roman iconography as adequate and precise.

The Second Exoplanet in the Proxima Centauri Planetary System

New observations of Proxima Centauri, the nearest star to the Solar System, located at a distance of 4.2 light years, have made it possible to reveal the presence of a candidate low-mass planet orbiting the star at a distance 1.5 times greater than that separating the Earth from the Sun.

Global Gaia campaign reveals secrets of stellar pair

A 500-day global observation campaign spearheaded more than three years ago by ESA’s galaxy-mapping powerhouse Gaia has provided unprecedented insights into the binary system of stars that caused an unusual brightening of an even more distant star.

New discoveries of sundials on Roman mosaics

Recent research done by Prof. Marek T. Olszewski from the UW Institute of Archaeology was related with the analysis of figural mosaics from the Roman Empire. As a result, the scientist discovered unidentified representations of sundials, shown in a specific perspective.

The Milky Way in three dimensions

When Galileo pointed his first telescope at the Milky Way in the early 17th century, he noticed it consists of countless stars. Since that time, studying the properties and history of our Galaxy has absorbed many generations of scientists. Writing in Science, Polish astronomers from the UW Astronomical Observatory present a unique three-dimensional map of the Milky Way.

New Roman mosaic floor from Alexandria

UW archaeologists found a new mosaic at the Kom el-Dikka site in Alexandria. The composition, featuring a circle inscribed into a square, so exceptionally popular in Roman Egypt, is considered distinctive of Alexandrian style.

Novel mechanism underlying mitochondrial diseases

Mitochondrial diseases usually manifest themselves in disorders of the nervous system and muscles. Dr. Karthik Mohanraj and Dr. Michał Wasilewski from the UW Centre of New Technologies are members of the scientific team that has discovered a novel mechanism underlying many mitochondrial diseases. The results of their research were published in a magazine entitled ‘EMBO Molecular Medicine’.

Two new rogue planets

Theories of planet formation predict the existence of free-floating planets that were ejected from their parent planetary systems and are floating alone through space. Astronomers from the Warsaw University Observatory have found two new rogue worlds. The discovery has been published in the journal “Astronomy & Astrophysics”.

New discoveries of UW archaeologists in Kuwait

The Kuwaiti-Polish Archaeological Mission headed by Prof. Piotr Bieliński from the Polish Centre of Mediterranean Archaeology of UW discovered at the Bahra 1 site in Kuwait a structure that may be interpreted as a cultic building from the 6th millennium BC.

Light from two colliding neutron stars

LIGO and Virgo make first detection of gravitational waves produced by colliding neutron stars. Scientists from the UW contributed to this discovery.

BLAPs – a new class of pulsating stars

Astronomers from the OGLE project have discovered an unknown class of pulsing variable stars. The discovery has been published in the prestigious “Nature Astronomy” journal.

A third detection of Gravitational Waves

A third detection of gravitational waves, ripples in space and time, has been made. The scientist from the Astronomical Observatory of the University of Warsaw contributed to this discovery.

Star caught exploding out of hibernation

Astronomers from the Warsaw University Astronomical Observatory based long-term large-scale sky survey OGLE announced the discovery of an extraordinary exploding star.

Second detection of gravitational waves

For the second time scientists from LIGO observed gravitational wave – ripples in the fabric of spacetime. Two scientists from the Astronomical Observatory have contributed to this discovery.

First generation of stars in the center of the Milky Way

An international group of researchers with major involvement of astronomers from the Warsaw University Astronomical Observatory based large-scale sky survey OGLE announced a discovery.

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