Recent simulations published in Communications Earth & Environment and led by Aditya Khuller of NASA's Jet Propulsion Laboratory in Pasadena suggest that the right combination of ice and dust on the surface of Mars could create a suitable habitat for photosynthetic life forms. Although these simulations do not confirm the current or past presence of […]
The international SETI (Search for Extra Terrestrial Intelligence) programme recently involved the Sardinia Radio Telescope, equipped with a 64-metre diameter dish, to explore the central region of our galaxy in search of possible technological signals from alien civilisations. The initial results, which will be published in the journal Acta Astronautica, were presented […]
The anomalous behaviour of the famous supergiant star Betelgeuse, which has kept hundreds of scholars busy for decades, could be explained by the presence of a companion star that has remained invisible until now, obscured by the enormous brightness of the star itself. This hypothesis is put forward in a study soon to be published in The Astrophysical Journal, led by the Centre for Astrophysics [...].
And to think that the orbits of our solar system, in their perfection, had inspired Dante Alighieri to include them in his design of Paradise.Leaving aside astronomical speculations about the knowledge of the great poet, an extrasolar gas planet, TIC 241249530 b, five times more massive than Jupiter, has an extremely eccentric orbit (0.93), almost four times that of Pluto [...]
A distant planet orbiting a dying star could reveal the fate of our Earth in about 8 billion years, when our planet will become arid and frozen, having moved beyond the orbit of Mars, revolving around a Sun that has aged and turned into a white dwarf. At […]
NASA has announced that it has switched off another scientific instrument on board the Voyager 2 probe to save energy and thus prolong the mission, one of the longest ever: this is the Plasma Science Instrument (PSI), the device that for 47 years has measured the flow of plasma (formed by electrically charged atoms) […]
Centuries ago, the great philosopher Plato imagined a distant world similar to ours, the hyperuranium, where the world of ideas represented the original of our world of things. Perhaps this is why Plato has been named Plato (PLAnetary Transits and Oscillations of stars), the new European mission that searches for Earth-like planets and [...]
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