The double look on complex dimension
In 2020, astrobiologists Stuart Bartlett and Michael Wong proposed a definition of “life as we don’t know it.” As we know it, it is “life”; Bartlett and Wong chose the term “lyfe” for their extended definition. Life on Earth would only be one of the possible ways for lyfe to realize itself. Lyfe systems must … Read more
Abstract: Some predict that we are alone in the Universe, others that life is commonplace. Why so much discrepancy? It stems from a misunderstanding of complexity, and who observes, the Simple or the Complex. Is infinity big enough? Jean-Pierre Bibring, astrophysicist at Paris-Saclay and looking like a reincarnated Einstein, makes a discouraging or reassuring prediction, … Read more
Youhouuu!! The debate about the existence of life elsewhere in the universe is akin to the controversy over the existence of God. Some believe in it as hard as iron, others consider it impossible. Surprising! The hypothesis of a life elsewhere is however more accessible to the scientific approach. We now understand better the formation … Read more
Where are the E.T.? The Fermi paradox is the contradiction between two claims:a) The number of stars and stable planetary systems is so large that life must be spread throughout the galaxy, including intelligent species with detectable artifacts. b) There is no serious evidence of a visit to Earth by aliens, and no sign of … Read more