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ScienceDaily: Space & Time News |
| Posted: 13 Sep 2021 10:57 AM PDT Transporting a single brick to Mars can cost more than a million British pounds -- making the future construction of a Martian colony seem prohibitively expensive. Scientists have now developed a way to potentially overcome this problem, by creating a concrete-like material made of extra-terrestrial dust along with the blood, sweat and tears of astronauts. |
| Astronomers spot the same supernova three times — and predict a fourth sighting in 16 years Posted: 13 Sep 2021 10:56 AM PDT An enormous amount of gravity from a cluster of distant galaxies causes space to curve so much that light from them is bent and emanated our way from numerous directions. This 'gravitational lensing' effect has allowed astronomers to observe the same exploding star in three different places in the heavens. They predict that a fourth image of the same explosion will appear in the sky by 2037. The study provides a unique opportunity to explore not just the supernova itself, but the expansion of our universe. |
| Largest virtual universe free for anyone to explore Posted: 10 Sep 2021 09:16 AM PDT An international team of researchers developed the largest and most detailed simulation of the Universe to date and has made it freely available on the cloud to everyone. This simulation, named Uchuu, will help astronomers to interpret results from Big Data galaxy surveys. |
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