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New images of tens of thousands of galaxies have been made available at the Galactic Zoo
Twenty thousand high quality images from the Hawaii Two-0 (H20)/Cosmic Dawn survey have been released to the public on the most popular citizen science project: Galaxy Zoo. Anyone in the world can become a citizen scientist and help astronomers classify images from the Subaru telescope.
Wyścigi fotonów pod lupą grawitacji
Fotony przemierzają Wszechświat z niezmienną prędkością. Tylko czy zawsze wszystkie z tą samą? Aby sprawdzić, czy potencjalne efekty kwantowej grawitacji nie wpływają na prędkości fotonów o bardzo dużych energiach, polsko-chiński zespół naukowców zaprzągł do pracy dwa spektakularne zjawiska kosmiczne: soczewki grawitacyjne i wybuchy promieniowania gamma.
Artificial intelligence will track down gravity lenses
Images of distant galaxies, distorted by powerful gravitational lenses, are visually the most out-of-the-box phenomena photographed by telescopes. Their automatic detection is difficult for many reasons. During the international workshop in Warsaw, dedicated to machine learning, NCBJ scientists demonstrated theoretical models and software that deal with this task with high efficiency and reliability.
Dr. William Pearson receives the scholarship for outstanding young scientists
"My work so far was focused on the formation and evolution of galaxies using modern machine learning methods" - explains Dr. William James Pearson of the NCBJ Astrophysics Division. Dr. Pearson received one of this year's scholarships from the Minister of Education and Science for outstanding young scientists demonstrating significant achievements in scientific activity.
Awards of the Director of DBP NCBJ for scientific achievements in 2021
On June 27, the Awards of the Director of the Fundamental Research Department of NCBJ were presented for scientific achievements and popularizing activities for 2021. This year, the following were awarded: PhD. Varvara Batozskaya from the Department of High Energy Physics, prof. Marek Biesiada from the Department of Astrophysics, professors Michał Kowal and Janusz Skalski from the Department of Theoretical Physics and prof. Katarzyna Małek from the Department of Astrophysics for achievements in the area of popularization.
How heavy can a graviton be?
Scientists are trying to determine the properties of the graviton – the hypothetical particle that carries the gravitational force. In a study published in the Journal of High Energy Astrophysics, based on the analysis of 12 galaxy clusters, prof. Marek Biesiada and his colleagues presented a new limit on the mass of graviton. It is seven orders of magnitude stronger than the limitations of observing gravitational waves.
