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posted by
martyb
on Wednesday November 14 2018, @10:33PM
from the with-an-oink-oink-here-and-a...oh,-wait dept.
from the with-an-oink-oink-here-and-a...oh,-wait dept.
Exoplanet discovered around neighbouring star
Astronomers have discovered a planet around one of the closest stars to our Sun.
Nearby planets like this are likely to be prime targets in the search for signatures of life, using the next generation of telescopes.
The planet's mass is thought to be more than three times that of our own, placing it in a category of world know as "super-Earths".
It orbits Barnard's star, which sits "just" six light-years away.
Writing in the journal Nature [DOI: 10.1038/s41586-018-0677-y] [DX], Guillem Anglada Escudé and colleagues say this newly discovered world has a mass 3.2 times bigger than the Earth's.
Also at phys.org.
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Exoplanet Detected Around Barnard's Star, 6 Light Years Away
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Anyone can make an omelet with eggs. The trick is to make one with none.
(Score: 2) by bob_super on Thursday November 15 2018, @05:33AM
Shockwaves in space go down in intensity with the square of the distance.
Shockwaves propagating through the superstructure don't.
Shrapnel will hit you at full speed regardless of distance, but shrapnel density also goes down with the square of the distance.
You gotta need a bigger ship. With a huge soft shield in the middle.