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International Cosmic Day at the UniLodz Faculty of Physics and Applied Informatics

Place of the event: Pomorska 149/153, 90-236 Łódź
When: 13 listopada 2025 (czwartek) 10:00 - 14:00

On 13 November of the current year International Cosmic Day will be celebrated for the fourteenth time around the world.

On this occasion, the Faculty of Physics and Applied Informatics of the University of Lodz invites high school students from the Lodz Voivodeship and all those interested in science to attend a unique popular science event devoted to the mysteries of cosmic rays.

Opublikowano: 17 October 2025
A graphic promoting International Cosmic Day

Discover the secrets of cosmic rays!

During the meeting, you will be able to learn:

  • where cosmic rays come from,

  • how charged particles and gamma rays are observed,

  • and how these phenomena help us explore the connection between two main theories of physics – gravity and quantum mechanics.
     

The event participants will also see the Maze experiment's detectors, take a virtual tour of the MAGIC observatory in the Canary Islands, and have the opportunity to try their hand at international competitions organised by the ICD coordinator, Deutsches Elektronen-Synchrotron (DESY).

Agenda:

  • 10:00 a.m. – CREDO-Maze, or cosmic rays at your school – if you want – in Polish (Prof. dr hab. Tadeusz Wibig)

  • 11:00 a.m. – MAGIC and LST telescopes: viewing the universe in a trillion times more energetic light (Prof. dr hab. Julian Sitarek) – in Polish
    A story about the extraordinary telescopes on the island of La Palma, which allow us to "see" gamma rays and discover the most energetic phenomena in the Universe.

  • 11:25 a.m. – Is it a signal or a background? A quiz on recognising images from the LST telescope (Prof. dr hab. Julian Sitarek) The most energetic phenomena in the Universe – in Polish
    An interactive quiz in which participants will try to take on the role of astrophysicists and distinguish images of different particles seen by the LST telescope.

  • 11:40 a.m.– Where do high-energy particles in the Universe come from? (Prof. dr hab. Włodzimierz Bednarek) – in Polish
    The lecture will explore the sources of cosmic rays and the mysterious processes that create them.

  • 12:30 p.m. – Live broadcast from the MAGIC Observatory (La Palma, Spain)
    The broadcast, in English, will be hosted by MAGIC Observatory staff, who will be present on La Palma Island during this time. Participants will see what the work of scientists at one of the world's largest gamma-ray telescopes looks like.

  • 1:00 p.m. – Was Einstein right? Is the speed of light independent of its wavelength? (Dr Alberto Rosales de Leon)
    The lecture will be in English. 

Participation in the event

The event is open to the public, but due to limited seating, registration is required.

Join us for a scientific journey into the depths of space, from the smallest particles to the greatest mysteries of the Universe!

Place of the event: Pomorska 149/153, 90-236 Łódź
Date and time of the event: 13 listopada 2025 (czwartek) 10:00 - 14:00

ul. Pomorska 149/153
90-236 Łódź

tel: 42/635 57 42
fax: 42/635 57 42

Funduszepleu
Projekt Multiportalu UŁ współfinansowany z funduszy Unii Europejskiej w ramach konkursu NCBR