Short answer: it increases by a factor of 4. Here’s why (under the usual physics assumptions): So if the object shrinks to half it’s size: To keep constant: Angular momentum…
This design is called a coudé telescope (often written coudé focus). In a coudé system, mirrors redirect the light down the mount or pier so the eyepiece or instrument stays…
Astronomers determine a star’s age using starquakes through a technique called asteroseismology. The basic idea is that a star’s internal structure changes in a predictable way as it ages, and…
Summary of research article (Moussa et al., 2023): The following was published on December 26, 2025 in https://dailygalaxy.com/2025/12/physicists-prove-time-mirrors-real-with-electromagnetic-flip/ Physicists have experimentally reversed electromagnetic waves in time. The process, known as…
That happens because the chat interface renders equations nicely on-screen, but when copied, the raw Markdown or LaTeX comes through in a less readable form. Here are a few ways…
These are possibly the Five Most Important Equations in Practical Observational Astronomy
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