Themes: Galaxies
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Giant radio galaxies may be more common than previously thought
What is a giant radio galaxy, and what these impressive structures may reveal about the galaxies’ past? José Afonso in an interview to Rádio Observador.
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First Steps to a Great Discovery
Get acquainted with the Zooniverse.org plaform, which allows anyone to do science whenever and wherever, in the company of three IA researchers: João Faria, Lara Sousa and Israel Matute.
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Spiral galaxies. “All we knew was wrong”
Iris Breda explains how a new study about the composition of the disk and bulge of spiral galaxies can question part of what we know about their formation and evolution.
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An optical system designed for the next X rays telescope
IA will lead the development of a precision optical system for ESA’s future space telescope dedicated to the study of extreme events in the Universe.
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In a very distant galaxy: FGC 1287
What mechanism is stripping off gas away from the galaxy FGC 1287 and producing a long tail of neutral hydrogen?
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In a very distant galaxy: 3C 75
Two black holes orbit each other in the centre of collision of two galaxies, in the Abell 400 galaxy cluster.
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In a very distant galaxy: Hercules A
Hercules A is much bigger than what we see in the visible light. Observed in the radio band, it reveals the activity of a central black hole with the mass of 4 billion suns.
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In a very distant galaxy: NGC 1277
It is challenging to find pristine galaxies like NGC 1277, which allows us to see what otherwise would be too far and faint.
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