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Stephen Hawking was a great man of science. His scientific interests ranged from cosmology to physics, from mathematics to artificial intelligence. In recent times he even took an interest in space exploration with the Breakthrough Starshot project to send miniature…
space
On 20 July of 40 years ago, the Viking 1 lander touched down on Mars and made history as the first NASA space mission to perform a successful landing on the fourth planet of the solar system (all international missions…
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Who better than a goddess like Juno could have given its name to this space mission to study the largest planet of the Solar System? In Roman mythology, the god Jupiter was transformed into a cloud to hide his actions,…
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In 1965, while studying the ground noise of a radio antenna, two technicians of the Bell Telephone Laboratories heard a weak radio signal coming from space, whose peculiarity was to own the same intensity in every direction. This signal represents…
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Astronomy, like all scientific disciplines, is continuously evolving. Along with it, even its classification structure is subjected to periodic up-dates. The latest has raised a great stir because it has closely affected the image that the general public has of…
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Why is the sky dark at night? What seems like an obvious question, actually needs a more complex explanation. If in fact the universe, as big as it may be, has finite dimensions and the stars are evenly distributed, we…
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Nuclear fusion within the stars begins with the different passages of hydrogen transformation into helium. Stars that are going through this cycle are in the most stable and long lasting period of their whole existence because the scale times at…
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All the existing galaxies, and our Milky Way too, hide in their centres giant black holes, with masses estimated in 106 and 109 of the solar masses. In the centre of our galaxy, in a region hosting a radio source…
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We are made of star dust. The iron in our blood, the oxygen we breathe, the calcium in our bones, all the atoms of which we are made of were created within the stars billions of years ago, just like…