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On 25 January 2024, ESA’s Science Programme Committee formally adopted the Laser Interferometer Space Antenna (LISA) as the third large-class (L3) mission of its Cosmic Vision programme, alongside the Venus orbiter EnVision (ESA press release N° 4–2024). “Adoption” is the milestone where ESA finally recognises that the mission concept and... [Read More]

We live in the era of information, and it’s truly exciting. We can reach any kind of knowledge within milliseconds, and just from the palm of our hands. Today it is very difficult to even remember how our everyday life was without this immediate access to information. I mean, remember... [Read More]

Πριν από περίπου 6 χρόνια, στις 22 Γενάρη 2016, ο δορυφόρος-αποστολή LISA Pathfinder (LPF) του Ευρωπαικού Οργανισμού Διαστήματος έφτασε στο σημείο L1 (ή Λανγκραντζιανό σημείο 1), ανάμεσα της Γης και του Ηλίου. Στο L1, το βαρυτικό πεδίο ελαχιστοποιείται, καθιστώντας το ιδανικό για γεωδαισικά πειράματα. Αυτή ακριβώς ήταν και η δουλειά... [Read More]

So far, we have been searching for gravitational wave signals with our ground -based detectors (the LIGO-Virgo). Since 2016, the searches have been a tremendous success, revealing a “ton” of signals that give us an abundance of information about our universe. These signals have already expanded our knowledge about astrophysics,... [Read More]