~hackernews | Bookmarks (7)
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Vera Rubin's primary mirror gets its first reflective coating
First light for the Vera Rubin Observatory (VRO) is quickly approaching and the telescope is reaching...
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NASA's Next Solar Sail Is About to Go to Space
Everyone knows that solar energy is free and almost limitless here on Earth. The same is...
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To Fight Climate Change, We Could Block the Sun
Can we build an enormous umbrella to dim the Sun? Such a feat would be a...
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Modeling of Pulsed Plasma Rocket Shows It Should Be Possible to Create One
We’ve reported on a technology called pulsed plasma rockets (PPRs) here at UT a few times....
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There's One Last Place Planet 9 Could Be Hiding
A recently submitted study to The Astronomical Journal continues to search for the elusive Planet Nine...
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Passing Stars Changed the Orbits of Planets in the Solar System
The orbit of Earth around the Sun is always changing. It doesn’t change significantly from year...
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Are we stuck with the Zoo Hypothesis?
In 1950, during a lunchtime conversation with colleagues at the Los Alamos National Laboratory, famed physicist...