Results 181 to 190 of about 1,810 (211)

Feedback mechanisms stopping the star formation in a pair of massive galaxies in the early Universe

Pérez-González P, D'Eugenio F, Pino BRD, Perna M, Uebler H, Maiolino R, Arribas S, Lamperti I, Bunker A, Carniani S, Charlot S, Willott C, Böker T, Parlanti E, Scholtz J, Venturi G, Barro G, Costantin L, Navarro IM, Dunlop J, Magee D, Cresci G.   +21 more
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Rapid and automated interpretation of CRISPR-Cas13-based lateral flow assay test results using machine learning.

Sens Diagn
Xue M, Gonzalez DH, Osikpa E, Gao X, Lillehoj PB.   +4 more
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AptERA 2 targets ERA from Staphylococcus aureus and limits GTP hydrolysis

Peñaranda K, Pereira N, Savva O, Petrelli D, Spurio R, Corrigan RM, Milon P.   +6 more
europepmc   +1 more source

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The Rotation Curve of our Galaxy

Applied Mechanics and Materials, 2014
The rotation curve of our Galaxy is derived from a large sample of objects with known radial velocities and distances. We collect data as completely as possible, especially the data with accurately measured trigonometric parallaxes. These observations are used to construct a highly accurate rotation curve of the Galaxy.
Gui Ping Ruan, Wei Bin Shi
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The Rotation Curve of the Galaxy

1983
The determination of the rotation curve of the Galaxy, θ(R), where θ is the circular velocity at galactocentric distance R, involves the synthesis of a large body of complementary (and sometimes contradictory) data. The synthesis has to be guided to some extent by theoretical considerations such as studying the distribution of mass in the Galaxy, i.e ...
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The Dynamics of Galaxy Rotational Curves

Space 2006, 2006
During the 1980’s, the first astronomical evidence was obtained that appeared to indicate spiral galaxies, (see Figure 1) do not rotate according to Newton’s’ Second Law of Motion: F=MA. The observations suggest that the outer stars in galaxies seem to rotate too fast for the amount of matter we see in the galaxy.
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The kinematic effects on the rotation curve of a galaxy

Astrophysics and Space Science, 1988
In this paper, it is pointed out that if the spiral galaxy revolves about some common centre as a whole, the rotation curve will be changed by the kinematic effects. The common centre could be the centre of supercluster or the centre of dark matter and luminous matter.
Chongming Xu, Xuejun Wu
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Rotation curves in neutrino-dominated galaxies

Chinese Astronomy and Astrophysics, 1983
Abstract A massive neutrino halo will exert important effects on the motion of the galactic stars inside. In this paper, we give a fully relativistic treatment of the galactic velocity curve in the presence of a massive halo. The results are different from the classical Kepler motion, and provides a possible means of verifying the existence of ...
Shou-ping Xiang, Jian-gong Gao, Chong-ming Xu   +2 more
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