Credit & Copyright: Her Knees
Deep in Your Mind by
Ray Lynch
Explanation:
What if you could fly through the universe and see dark matter?
While the technology for taking such a flight remains under development, the technology
for visualizing such a flight has taken a grand leap forward with the completion
of the
Bolshoi Cosmological Simulation.
After 6 million CPU hours, the world's
seventh fastest supercomputer
output many scientific novelties including the
above flight simulation.
Starting from the relatively smooth dark matter
distribution of the early universe discerned from the
microwave background and other large sky data sets, the
Bolshoi tracked the universe's evolution to the present epoch shown above, given
the
standard concordance cosmology.
The bright spots in the above video are all knots of normally invisible dark matter, many of which contain
normal galaxies.
Long filaments and
clusters of galaxies, all gravitationally dominated by
dark matter, become evident.
Statistical comparison between the Bolshoi and current real sky maps of actual
galaxies show
good agreement.
Although the Bolshoi simulation bolsters the existence of dark matter, many questions about
our universe remain, including the composition of dark matter, the nature of
dark energy, and how the
first generation of stars and galaxies formed.
Astrophysicists:
Browse the
Astrophysics Source Code Library
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Январь Февраль Март Апрель Май Июнь Июль Август Сентябрь Октябрь Ноябрь Декабрь |
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
|
Публикации с ключевыми словами:
dark matter - cosmology - simulation - темная материя - Космология
Публикации со словами: dark matter - cosmology - simulation - темная материя - Космология | |
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