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The Secrets Inside the Ancient Crystals of Long-Dead Stars

Presolar grains are solid minerals, on the scale of nanometers to micrometers, that crystallized in the gassy outflows and ejecta of stars that existed before the Sun was born. These ancient crystals are the oldest material ever handled by humans.


December 3, 2024
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Remembering the World Timecapsule Project

There have also been other attempts over the years — some little known — to duplicate the Voyager record’s noble goals. One of those projects was called the World Timecapsule. I worked on this project from 1989-1994 with a small group of people from the Minneapolis, MN area.


November 26, 2024
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The Arecibo Message: Humanity's Call to an Interstellar Neighbor

Inherent within the Arecibo message project is the underlying hope that humanity will still be around in 45,000 years time to receive a reply. It’s a positively optimistic message to ourselves and a rare step into long-term thinking, essential if we are to cultivate a better world and a more positive future.


November 19, 2024
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Author Peter F. Hamilton on Building a Universe for Future Humans

“Science fiction is an extrapolation of trends to the extreme, and seeing what problems and wonders those trends can deliver to us as a species,” Hamilton tells Supercluster. “That’s what the fundamental of science fiction is to me. Given time and an increase in our knowledge base, I can explore the ways we will evolve both culturally and, in the far future, biologically.”


November 12, 2024
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Forty-Year-Old Loophole Exempts Satellite Pollution from Regulations

A forty-year-old legal loophole means that air pollution produced when old satellites burn up in Earth’s atmosphere is exempt from environmental oversight. Is the exemption justified in the age of mega-constellations?


November 5, 2024
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Op-Ed: What the U.S. Election Means for Space Exploration

Neither candidate for president has anything resembling a space policy, and neither seems to care about NASA overall. Regardless, the key human spaceflight issues America must face in the next four years include the end of the International Space Station, and prospect of China landing taikonauts on the moon. 


October 29, 2024
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