51 Pegasi b – 25 years
In October 2020, we celebrate the 25th anniversary of the discovery of the first exoplanet around a Sun-like star – 51 Pegasi b
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Fasten your seat belt: Portugal is heading to other Earths
“Portuguese team discovers another ‘Earth’ and finds hints of existing life.” This title may look like from a sci-fi book, but Nuno C. Santos, of IA, says we are not that far from making it real.
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How many Earths are there in the Milky Way?
In a clear night sky, the human eye can see some 3000 stars, all of them in our galactic neighbourhood. What we can’t see is, perhaps, a similar number of planets, outshined by the light of their host star. Is there among them an Earth 2.0?
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Astronomy in Questions and Answers
Discover more about the Universe, in a Q&A session with a panel of five researchers, included in the 30th Encontro Nacional de Astronomia e Astrofísica.
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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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Researchers find a giant “rip” on Venus
Pedro Machado explains the importance of the discovery of a giant disruption in the atmosphere of Venus and the reason why it was only discovered now.
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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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Searching for another Earth
Learn how astronomers detect planets orbiting other stars, and how they can know, despite the distance, if any of them is similar to Earth, with Pedro Figueira, of ESO and IA (in Portuguese).
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