Astronomers have performed observations of a galaxy known as RX J1301.9+2747 using ESA's XMM-Newton spacecraft. The study unveiled three strong and rapid X-ray quasi-periodic eruptions (QPEs) in the nucleus of this galaxy. ...
A project lead by an international team of researchers use publicly available data with images of the sky dating as far back as the 1950s to try to detect and analyse objects that have disappeared over time. In the project ...
Astronomy
Dec 12, 2019
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With excellent sensitivity and spatial and spectral resolutions, the James Webb Space Telescope (JWST) presents an unprecedented opportunity to promote our understanding of the evolutionary processes of galaxies.
Astronomy
Sep 26, 2023
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25
This NASA Hubble Space Telescope image reveals NGC 547, an elliptical galaxy that sits about 250 million light-years away from Earth in the constellation Cetus. NGC 547 shines just below the center of this image, with its ...
Astronomy
May 4, 2023
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Members of the Sternberg Astronomical Institute of the Lomonosov Moscow State University have been studying changes in the appearance of emissions from around the supermassive black hole in the center of a galaxy called NGC ...
Astronomy
Feb 22, 2017
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The newly refurbished cameras of the H.E.S.S. gamma-ray telescopes in Namibia have detected their first signals from a cosmic particle accelerator: The new cameras recorded Markarian 421 as their first target, a well-known ...
Astronomy
Feb 28, 2017
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New Chinese research suggests that optical variability in emission-line galaxies (ELGs) is likely caused by star-formation activity rather than the activity of supermassive black holes.
Astronomy
Dec 2, 2022
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