Keyword: space

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Astronomers from the University of Turku to scan the sky in search of optical signals from gravitational waves

21.07.2022

The department of Physics and Astronomy at the University of Turku is a partner in the international Gravitational-wave Optical Transient Observer (GOTO) project, which will play a key role in shepherding in a new era of gravitational wave science. The GOTO observatory is made up of two identical telescope arrays on opposite sides of the planet that will track down sources of gravitational waves resulting from violent cosmic events that create ripples in the fabric of space-time itself.

Researchers from the University of Turku Develop Hackmanite-Based Radiation Detectors for the International Space Station

04.05.2022

Researchers from the University of Turku are developing a new hackmanite-based dosimeter and passive detectors for the International Space Station, intended to be used to measure the radiation dose uptake of materials during space flights. The year-long research project is funded by the European Space Agency, ESA.

MAGIC Telescope System Detected Energetic Gamma-ray Emission from a Nova Eruption – Observation Provides New Insights into the Origin of Cosmic Rays

20.04.2022

Using the telescopes of the MAGIC collaboration, scientists have detected very-high-energy gamma rays from the nova eruption of the RS Ophiuchi recurrent nova on the Milky Way.  The measured radiation is up to one hundred billion times more energetic than visible light. This is the first time such intense gamma rays have been observed from a nova. The observations provide new insights into the role of nova eruptions as sources of the mysterious cosmic rays.

Observations of the centres of galaxies reveal the hidden destruction of stars by lurking supermassive black holes (Dissertation defence Nov 4 2021, MSc Thomas Reynolds, astronomy)

We know that in the centres of the majority of galaxies lies a supermassive black hole. New observations of certain galaxies reveal that these black holes may be consuming stars at a higher rate than previously known. The energy produced by the destruction of the star can be revealed in the infrared, as heat from cosmic dust warmed by the explosion.
 

Polarization of Light Helps to Better Understand Emission Sources in the Vicinity of Stellar-Mass Black Holes (Dissertation Defence, MSc Ilia Kosenkov, 8 Oct 2021, Astronomy)

Stellar-mass black holes that are part of binary systems sometimes show variable polarization of optical emission. The degree, angle and variability pattern of polarization is characteristic of the physical processes occurring in the vicinity of a black hole. By studying black holes astronomers learn how matter and energy behave under extreme conditions. 
 

BalticSatApps Successfully Paving Way for Earth Observation-based Innovations in Baltic Sea Region

12.01.2021

The European Copernicus Programme provides Earth Observation (EO) data free of charge on an open-access basis. The Copernicus services are based on satellite and in situ observations, and cater to even near real-time data needs. The services provide global data which can also be used for local and regional needs. The data can, for example, help to make visible different phenomena affecting Earth, such as climate change and urban development.