dark

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dark

(Devoid of light), adjective absent of light, bereft of light, black, darkened, darkish, dim, drab, poorly lit, shaded, somber, sunless, unlighted, without light

dark

(Dismal), adjective cheerless, clouded, dejected, depressed, dim, disconsolate, doleful, dolorous, grim, melancholy, sad, solemn, somber, sorrowful, sullen

dark

(Evil), adjective base, demoniac, demonic, diabolical, immoral, inexorable, infamous, mean, mean spirited, menacing, peccant, pernicious, sinfully malevolent, sinister, terrifying, untoward, vicious, vile, villainous, wicked
See also: bleak, confidential, covert, dismal, hidden, incomprehensible, lugubrious, mysterious, ominous, opaque, portentous, private, privy, recondite, secret
References in periodicals archive ?
have an explanation that would fit with cold dark matter theory, but it requires combining gastrophysies with dark matter.
Our expectation is that [in the cold dark matter model] when you look back in time, it should be hard to see very massive structures because most galaxies at that early time in the universe are expected to be small," says astronomer Michael Rowan-Robinson of the Imperial College of Science, Technology and Medicine in London.
These observations, consistent with simple modified Newtonian dynamics, can be accommodated within the standard cold dark matter paradigm.
Bolshoi is also based on the widely accepted and well-established modern theoretical framework for understanding the formation of the universe's large-scale structure: the Lambda Cold Dark Matter cosmology (abbreviated [LAMBDA]CDM), based on the Cold Dark Matter theory devised by coauthor Primack and his colleagues in 1983-84.
Our measurements contradict a basic prediction about the structure of cold dark matter in dwarf galaxies.
They found that for slow moving cold dark matter particles, the first stars formed in isolation.
Virtually every aspect of astronomy, from adaptive optics to cold dark matter, is defined clearly and succinctly.
This had left scientists wondering about the causes and the well known theory of cold dark matter.
It shows that the cold dark matter scenario, where dark matter provides the scaffolding for galaxy formation, is able to generate realistic disk-dominated galaxies," he added.
Acronyms like "AGN" and "CMB" volley back and forth between discussions about whether the universe is "fl at" and what cold dark matter actually is.
That's when cold dark matter started to clump and form invisible halos in regions that contained slightly higher-than-average concentrations of matter.
Our result shows that a realistic spiral galaxy can be formed based on the basic principles of the cold dark matter paradigm and the physical laws of gravity, fluid dynamics and radiophysics," explains Mayer.