Themes: Galaxies
See all100 years ago, the Milky Way was displaced from the centre of the Universe
Precisely a century ago, the New York Times newspaper announced that the Andromeda nebula was after all another “island universe”, so big or even bigger than the Milky Way. The Universe had just increased tenfold.
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From Azores to the Universe
A PhD student at IA contributed to launching the astrophyskcal observations programme of the RAEGE-Az radiotelescope, on Santa Maria island, Azores.
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Star Treks, at last
Slow caravans of stars whirl around galaxies like decorative coils. They were hidden in the background noise of the astronomical images… until the new generation of telescopes. Article in partnership with National Geographic Portugal
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Galaxies – a collection of portraits
Davi Barbosa, PhD researcher at IA, took the public at the Lisbon Book Fair on a journey about how Humankind discovered more than a trillion galaxies besides our own Milky Way.
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Group photo, or the social life of galaxies
Behind a grain of sand is the image above. Let’s be nosy and scrutinise this group photo. Article by Sérgio Pereira and Davi Barbosa, of IA, on National Geographic Portugal.
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Caught in the cosmic web – from galaxies to super-clusters
Galaxies like to be together and socialize, sometimes to the thousands. In galaxy clusters some are dominant, but what keeps them together can’t be seen. Article by Davi Barbosa on National Geographic Portugal
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Dwarf galaxies: the small inhabitants of the Cosmos
The most common galaxies in the Universe are also the smallest of them, and the hardest to study. They host secrets about how might have been born the great galaxies that we see today. An article by Patricio Lagos on National Geographic Portugal.
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Do black holes have the answer to the accelerated expansion of the Universe?
An international team, with the participation of the IA, suggests that the mass of black holes increases with the scale of the Universe, and might be concentrations of dark energy.
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