Today:Early fog in the far southwest clears quickly. Most areas stay dry with sunshine and variable cloud, though northern and northeastern regions may see isolated showers. Light winds overall, ...

Byurakan Astrophysical Observatory, Byurakan, Republic of Armenia. 2. Newton’s Second Law of Motion for the Massive Photon Let’s talk about (5) in more detail by going back to well-known facts in ...

We review basic results on the Bose–Einstein condensate dark matter (BECDM) model. Self-gravitating BECs experience a collisionless process of gravitational cooling and violent relaxation, leading to ...

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After decades of voyaging through galaxies in science fiction, William Shatner finally blasted off to space in real life last fall. Nothing could have prepared the man who played Star Trek’s Captain ...

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Article subjects are automatically applied from the ACS Subject Taxonomy and describe the scientific concepts and themes of the article. In this review, we shall provide a comprehensive understanding ...

The ability to control and separate individual active particles in fluid layers is a challenge in biological and engineering contexts as well as a basic problem of controlled self-assembly. Here we ...

There are at least two reasons why one would study the gravitational field of a disk. The first is that many astronomical objects, such as spiral galaxies like the Milky Way, are disk-like. The second ...