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{{Short description|Unsolved problem in cosmology}} ...nd many more dwarf galaxies, largely resolving the problem that was raised in the 1990s|date=January 2025}} ...

{{short description|Unsolved problem in physics}} ...ate=November 2018|title=A model for the mass and distribution of particles in dark matter halos|journal=Canadian Journal of Physics|volume=96|issue=11|pa ...

== Deep, moist convection in Earth's atmosphere == .... This overshoot is responsible for most of the [[turbulence]] experienced in the cruise phase of commercial air flights.{{Fact|date=September 2008}} ...

| caption = Adams (right) with Dieter Puppe in 1962 ...of Cambridge (1970–1989). He was elected a Fellow of the [[Royal Society]] in 1964. ...

{{short description|Argument in astrophysics against the theory of an unchanging universe}} ...tion progresses, the more distant stars fill the gaps between closer stars in the field of view. Eventually, the entire image is as bright as a single st ...

{{short description|Argument in astrophysics against the theory of an unchanging universe}} ...tion progresses, the more distant stars fill the gaps between closer stars in the field of view. Eventually, the entire image is as bright as a single st ...

{{Short description|Imbalance of matter and antimatter in the observable universe}} ...rs to the small non-zero value of baryons over photons (≈ 5⁻¹⁰) in the current Universe}} ...

...Supreme Court]] Chief Justice [[John Marshall]]). His father studied law in Philadelphia.<ref name=davis> ...e in 1894. He received a law degree from the [[University of Louisville]] in 1895.<ref name=davis /> ...

...> expresses the product of two sums of two squares as a sum of two squares in two different ways. Hence the set of all sums of two squares is [[closure ( ...ell|2002|p =76}}</ref><ref>[[Daniel Shanks]], Solved and unsolved problems in number theory, p.209, American Mathematical Society, Fourth edition 1993.</ ...

...ally to [[Kähler manifold]]s—has been a major influence on subsequent work in geometry. ...glas (1903–1975), mathematician }}</ref> They lived at 1 Church Hill Place in the [[Morningside, Edinburgh|Morningside]] district.<ref>Edinburgh and Leit ...

{{Short description|Classical approach to the many-body problem of astronomy}} ...rection and magnitude on opposite sides of the orbit, it produces a change in the shape of the orbit.]] ...

{{Short description|Absorption features in astronomical spectra}} ...light by the [[interstellar medium]]. Circa 500 bands have now been seen, in [[ultraviolet]], [[visible light|visible]] and [[infrared]] wavelengths.<re ...

...Phase (matter)|phase]] of [[quark matter]] based on densely packed quarks. In this state, a new equilibrium is supposed to emerge, as a new degeneracy pr ...reasons among the [[List of unsolved problems in physics|unsolved problems in physics]]. ...

| death_cause = [[#Mystery of his death|Shot in an unsolved assassination]] ...ly as an innovator in both journalistic methodology and writing style. His unsolved assassination while visiting [[San Francisco]], [[California]], United Stat ...

...ys are produced near our galaxy or that [[Lorentz covariance]] is violated in such a way that protons do not lose energy on their way to our galaxy. The limit was independently computed in 1966 by [[Kenneth Greisen]],<ref name=Greisen1966>{{cite journal |last=Grei ...

{{unsolved|physics|What causes the unexpected change in [[acceleration]] for [[gravitational slingshot|flybys]] of spacecraft?}} ...y}}</ref>{{rp|q="The unexplained variation is noticed as a tiny difference in speed gained or lost..."}} ...

| caption = Thomas Van Flandern in 2007 | field = [[Astronomy]] and [[fringe-science]] ...

...ematician''' is someone who uses an extensive knowledge of [[mathematics]] in their work, typically to solve [[mathematical problem]]s. Mathematicians ar ...plied mathematics. Because of a political dispute, the Christian community in Alexandria punished her, presuming she was involved, by stripping her naked ...

|caption = Jan Oort in May 1961 |field = [[Astronomy]] ...

...cular, and Optical Physics] Physics Survey Committee, Board on Physics and Astronomy, National Research Council, National Academic Press {{ISBN|978-0-309-07371- ...du/handle/1721.1/36257?show=full cite A Generalized Quantum Defect Methods in Chemistry] Altunata, PhD Thesis, MIT 2006 [http://dspace.mit.edu/bitstream/ ...