The article details various types of deep-sky objects observable by amateur astronomers, including double stars, variable stars, open and globular star clusters, emission, planetary, and reflection ...

In general usage, symmetry most often refers to mirror or reflective symmetry; that is, a line (in 2-D) or plane (in 3-D) can be drawn through an object such that the two halves are mirror images of ...

This post may contain links from our sponsors and affiliates, and Flywheel Publishing may receive compensation for actions taken through them. It was the Greek mathematician Archimedes who said “Give ...

Explore the breadth, scope and splendor of the world’s most extensive natural history research collection—more than 145 million artifacts and specimens. The exhibition examines how scientists use ...

Examples of shadows appearing to resemble unexpected objects or figures. 'Massive betrayal': Ghislaine Maxwell’s prison treatment sparks outcry ...

The HBO mini-series Sharp Objects is full of shadows and echoes and things you can’t quite fully glimpse — mysteries you know are there but can’t yet see, stories with contours you can’t totally make ...

The Fat Man is a shoulder-fired catapult that shoots small nuclear bombs, in true Fallout fashion. It first appeared in ...