Приклади вживання Brown dwarfs Англійська мовою та їх переклад на Українською
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Brown dwarfs are called“failed stars” by some astronomers.
Now, here's the catch:We have actually found very large planets orbiting brown dwarfs before.
Brown dwarfs aren't quite very small stars, but they aren't quite giant planets either.
Red dwarfs are themost common type of star in the universe, and brown dwarfs are one step below that.
Brown dwarfs are heavier than our gas giant planets but not big enough to be a star.
Such discoveries haverevived controversies about where the boundary between luminaries, brown dwarfs and planets lies.
This shows that the warmer brown dwarfs can generate flares from magnetic field energy just like stars.
They are voracious- the project just celebrated its second birthday,and they have already discovered more than 1,000 likely brown dwarfs.
Brown dwarfs are space objects with masses in the range from 0.012 to 0.077 solar masses, or from 13 to 80 Jupiter masses.
We think these mechanisms can work not only in brown dwarfs but also in both gas giant and terrestrial planets.".
Brown dwarfs can fuse deuterium and lithium, but never reached the size required to sustain hydrogen fusion in their cores.
And this estimate doesn't include the smallest and faintest brown dwarfs, so that number could actually be much higher!
Comparison: most brown dwarfs are only slightly larger than Jupiter(10- 15%) but up to 80 times more massive due to greater density.
We built Backyard Worlds:Planet 9 mostly to search for brown dwarfs and new planets in the solar system," Kuchner said.
The gas giants and brown dwarfs they studied are so distant from their parent stars that one orbit may take hundreds of years.
But if a brown dwarf, the scientists will be very surprised because brown dwarfs do not usually revolve around other stars- and OGLE rotates.
Brown dwarfs still emit energy, mostly in the infrared, due to the potential energy of collapse converted into kinetic energy.
Our work shows, however, that colder brown dwarfs cannot generate flares even though they also have magnetic fields.".
The main result of the study, according to the authors,is that they were able to show that giant planets and brown dwarfs formed fundamentally differently.
The instrument discovered 173 brown dwarfs farther away than our solar system, but none near enough to be the infamous Nemesis.
As AO instruments have continually improved over the past three decades,more brown dwarfs and giant planets have been directly imaged.
Rogue planets or brown dwarfs(which this might be) aren't exactly rare, cosmologically speaking, but they tend to be very difficult to see.
Published by the Astrophysical Journal, his team's findings demonstrate that brown dwarfs can be more massive than astronomers previously thought.
Brown dwarfs are not thought to be capable of emitting significant amounts of heat, since they contain relatively low amounts of fusable material in the first place.
Less large celestial bodies turn into brown dwarfs-“failed stars”, slightly glowing in the infrared range and gradually fading.
In reality, brown dwarfs from the Epsilon of the Indian look quite ordinary and do not have abnormally high temperatures and other features uncharacteristic for celestial bodies of this type.
Astronomers are beginning to characterize variations among brown dwarfs with the aim of determining their significance among the Galaxy's constituents.
Past research has shown that brown dwarfs orbiting stars likely formed like low-mass stars, but it's been less clear what is the lowest mass companion this formation mechanism can produce.
Using a system of adaptive optics,scientists took pictures of giant planets and brown dwarfs, capturing with high accuracy their current movement around their parent stars.
But there is also a type of stars called brown dwarfs, which is large enough to run the synthesis processes, but not big enough to support them.